US StockDetailed Quotes

Provided by Tiger Trade Technology Pte. Ltd.

Koss

3.57

+0.13003.78%

Pre-market: 3.46-0.1056-2.96%04:00 EDT

Volume:16.45K

Turnover:58.57K

Market Cap:33.76M

PE:-30.64

High:3.61

Open:3.50

Low:3.50

Close:3.44

52wk High:6.85

52wk Low:3.44

Shares:9.46M

Float Shares:5.50M

Volume Ratio:1.05

T/O Rate:0.30%

Dividend:- -

Dividend Rate:- -

EPS(TTM):-0.1165

EPS(LYR):-0.0934

ROE:-3.64%

ROA:-5.06%

PB:1.14

PE(LYR):-38.21

Loading ...

Overview Company News Filings

Beneficial Ownership Change

SC 13D/A [Amend] - General statement of acquisition of beneficial ownership

Beneficial Ownership Change

SC 13G/A [Amend] - Statement of acquisition of beneficial ownership by individuals

Beneficial Ownership Change

SC 13D/A [Amend] - General statement of acquisition of beneficial ownership

Beneficial Ownership Change

SC 13D/A [Amend] - General statement of acquisition of beneficial ownership

Quarterly Report

10-Q - Quarterly report [Sections 13 or 15(d)]

Major Issues Report

8-K - Current report

Quarterly Report

10-Q - Quarterly report [Sections 13 or 15(d)]

Major Issues Report

8-K - Current report

Major Issues Report

8-K - Current report

Annual Report

10-K - Annual report [Section 13 and 15(d), not S-K Item 405]

Major Issues Report

8-K - Current report

Major Issues Report

8-K - Current report

Quarterly Report

Quarterly report [Sections 13 or 15(d)]

Major Issues Report

Current report, items 2.02 and 9.01

Beneficial Ownership Change

[Amend] Statement of acquisition of beneficial ownership by individuals

Quarterly Report

Quarterly report [Sections 13 or 15(d)]

Major Issues Report

Current report, items 2.02 and 9.01

Quarterly Report

Quarterly report [Sections 13 or 15(d)]

Major Issues Report

Current report, item 9.01

Major Issues Report

Current report, item 5.07

{"basename":"","ssrTDKData":{"titleTemplate":"%s - Tiger Brokers","title":"Tiger Brokers | Global Stocks, Options & Futures Trading App","description":"Tiger Brokers, one-stop investment in US stocks, SGX stocks, HK stocks, A-shares & other global assets. One of the best stock trading platforms in Singapore.","keywords":"tiger brokers,tiger trade,tiger brokers singapore,broker online,stock trading in singapore,share trading singapore,brokerage firm singapore,trading app,stock broker singapore,stock trading platforms,trading account","social":{"ogDescription":"Tiger Brokers, one-stop investment in US stocks, SGX stocks, HK stocks, A-shares & other global assets. One of the best stock trading platforms in Singapore.","ogImage":"https://c1.itigergrowtha.com/portal5/static/media/og-logo.0a0bd8dc.png","ogUrl":"https://www.etasphere.com/stock/KOSS/filings?page=4"},"companyName":"Tiger Brokers"},"pageData":{"isMobile":false,"isTiger":false,"isTTM":true,"region":"SGP","license":"TBSG","edition":"fundamental","symbol":"KOSS","isAnalysisPage":false},"__swrFallback__":{"@#url:\"https://hq.skytigris.cn/stock_info/detail/global\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"KOSS\",,,,,undefined,":{"symbol":"KOSS","market":"US","secType":"STK","nameCN":"Koss","latestPrice":3.57,"timestamp":1787342400000,"preClose":3.44,"halted":0,"volume":16448,"hourTrading":{"tag":"盘前","latestPrice":3.4644,"preClose":3.57,"latestTime":"04:00 EDT","volume":100,"amount":346.44,"timestamp":1787558419631,"change":-0.1056,"changeRate":-0.02958,"amplitude":0},"delay":0,"changeRate":0.037790697674418575,"floatShares":5498400,"shares":9456438,"eps":-0.116513,"marketStatus":"Pre-Mkt","change":0.13,"latestTime":"08-24 04:06:00 EDT","open":3.5,"high":3.6099,"low":3.5,"amount":58572.7968064,"amplitude":0.031948,"askPrice":5.71,"askSize":200,"bidPrice":1.51,"bidSize":100,"shortable":3,"etf":0,"ttmEps":-0.116513,"tradingStatus":1,"nextMarketStatus":{"tag":"Open","tradingStatus":2,"beginTime":1787578200000},"marketStatusCode":1,"adr":0,"adrRate":0,"exchange":"NASDAQ","adjPreClose":3.57,"preHourTrading":{"tag":"盘前","latestPrice":3.4644,"preClose":3.57,"latestTime":"04:00 EDT","volume":100,"amount":346.44,"timestamp":1787558419631,"change":-0.1056,"changeRate":-0.02958,"amplitude":0},"postHourTrading":{"tag":"盘后","latestPrice":3.55,"preClose":3.57,"latestTime":"19:39 EDT","volume":387,"amount":1373.42,"timestamp":1787355546101,"change":-0.02,"changeRate":-0.005602,"amplitude":0.005602},"volumeRatio":1.053265211100507},"@#url:\"https://hq.skytigris.cn/stock_info/fundamental/all\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"KOSS\",,,,,undefined,":{"symbol":"KOSS","floatShares":5498400,"roa":"-5.06%","roe":"-3.64%","lyrEps":-0.093433,"volumeRatio":1.053265211100507,"shares":9456438,"dividePrice":0,"high":3.6099,"amplitude":0.031948,"preClose":3.44,"low":3.5,"week52Low":3.44,"pbRate":"1.14","psRate":"2.63","week52High":6.85,"institutionHeld":0.0652,"latestPrice":3.57,"committee":-0.333333,"eps":-0.116513,"divideRate":0,"volume":16448,"delay":0,"ttmEps":-0.116513,"open":3.5,"prevYearClose":4.14,"prevWeekClose":3.75,"prevMonthClose":3.68,"prevQuarterClose":4.01,"fiveDayClose":3.75,"twentyDayClose":3.75,"sixtyDayClose":4.02},"@#url:\"https://hq.skytigris.cn/fundamental/corporate_actions/details/KOSS\",params:#limit:5,,,undefined,":[{"market":"US","date":"2026-01-29","symbol":"KOSS","fiscalQuarterEnding":"2025/12","expectedEps":null,"name":null,"time":"Post-Mkt","type":"earning","dateTimestamp":1769662800000,"reportTimeType":"post","actualEps":-0.06},{"market":"US","date":"2025-10-30","symbol":"KOSS","fiscalQuarterEnding":"2025/09","expectedEps":null,"name":null,"time":"Post-Mkt","type":"earning","dateTimestamp":1761796800000,"reportTimeType":"post","actualEps":0.03},{"market":"US","date":"2025-08-28","symbol":"KOSS","fiscalQuarterEnding":"2025/06","expectedEps":null,"name":null,"time":"Post-Mkt","type":"earning","dateTimestamp":1756353600000,"reportTimeType":"post","actualEps":-0.02},{"market":"US","date":"2025-05-08","symbol":"KOSS","fiscalQuarterEnding":"2025/03","expectedEps":null,"name":null,"time":"Post-Mkt","type":"earning","dateTimestamp":1746676800000,"reportTimeType":"post","actualEps":-0.03},{"market":"US","date":"2025-01-30","symbol":"KOSS","fiscalQuarterEnding":"2024/12","expectedEps":null,"name":null,"time":"Post-Mkt","type":"earning","dateTimestamp":1738213200000,"reportTimeType":"post","actualEps":0.01}],"@#url:\"https://hq.skytigris.cn/fundamental/dividend/history\",params:#symbol:\"KOSS\",market:\"US\",,,undefined,":[],"@#url:\"https://hq.skytigris.cn/fundamental/estimate/recommendation\",params:#symbol:\"KOSS\",market:\"US\",delay:false,,,undefined,":{},"@#url:\"https://hq.skytigris.cn/value_analysis/stock/KOSS\",params:#withQuantilePoint:true,period:\"5year\",factor:\"peRate\",delay:false,algorithm:1,,,undefined,":{"brief":{"id":"KOSS","date":"2026-08-21","current":-30.640358,"percent":0.458989,"low":-227.687187,"twenty":-62.995039,"median":-22.126032,"eighty":52.596999,"high":562.777129,"avg":18.12763,"sd":142.77617,"marketCap":32564546},"quantilePoints":[{"date":"2021-08-27","current":316.1302,"twenty":-29.198219,"median":-3.277251,"eighty":36.035994,"marketCap":156039970},{"date":"2021-09-03","current":325.795105,"twenty":-29.198219,"median":-3.277251,"eighty":36.385924,"marketCap":160810509},{"date":"2021-09-10","current":347.415702,"twenty":-29.198219,"median":-3.277251,"eighty":36.634282,"marketCap":171482306},{"date":"2021-09-17","current":327.109791,"twenty":-29.198219,"median":-3.277251,"eighty":36.855698,"marketCap":161459430},{"date":"2021-09-24","current":311.603457,"twenty":-29.198219,"median":-3.277251,"eighty":37.160725,"marketCap":153805597},{"date":"2021-10-01","current":304.219488,"twenty":-29.198219,"median":-3.277251,"eighty":38.027809,"marketCap":150160914},{"date":"2021-10-08","current":281.882985,"twenty":-29.198219,"median":-3.271948,"eighty":38.70909,"marketCap":139135750},{"date":"2021-10-15","current":320.648819,"twenty":-29.198219,"median":-3.271948,"eighty":39.785202,"marketCap":158270333},{"date":"2021-10-22","current":305.880882,"twenty":-29.198219,"median":-3.271948,"eighty":40.629059,"marketCap":150980968},{"date":"2021-10-29","current":553.107562,"twenty":-29.198219,"median":-3.271948,"eighty":40.629059,"marketCap":147849523},{"date":"2021-11-05","current":554.816791,"twenty":-29.198219,"median":-3.271948,"eighty":40.84583,"marketCap":148306412},{"date":"2021-11-12","current":544.903246,"twenty":-29.198219,"median":-3.271948,"eighty":43.655224,"marketCap":145656452},{"date":"2021-11-19","current":512.427834,"twenty":-29.198219,"median":-3.271948,"eighty":44.62418,"marketCap":136975547},{"date":"2021-11-26","current":493.968123,"twenty":-29.198219,"median":-3.271948,"eighty":44.962974,"marketCap":132041137},{"date":"2021-12-03","current":423.205909,"twenty":-29.198219,"median":-3.271948,"eighty":46.115847,"marketCap":113125902},{"date":"2021-12-10","current":448.502546,"twenty":-29.198219,"median":-3.271948,"eighty":46.802149,"marketCap":119887870},{"date":"2021-12-17","current":442.007463,"twenty":-29.198219,"median":-3.271948,"eighty":47.189343,"marketCap":118151689},{"date":"2021-12-23","current":421.496676,"twenty":-29.198219,"median":-3.271948,"eighty":47.431339,"marketCap":112669012},{"date":"2021-12-31","current":365.09201,"twenty":-29.198219,"median":-3.271948,"eighty":47.963734,"marketCap":97591650},{"date":"2022-01-07","current":363.04093,"twenty":-29.198219,"median":-3.266735,"eighty":49.125315,"marketCap":97043382},{"date":"2022-01-14","current":330.907365,"twenty":-29.198219,"median":-3.266735,"eighty":49.402645,"marketCap":88453855},{"date":"2022-01-21","current":298.773799,"twenty":-29.198219,"median":-3.266735,"eighty":49.996503,"marketCap":79864328},{"date":"2022-01-28","current":268.69131,"twenty":-29.198219,"median":-3.266735,"eighty":160.584627,"marketCap":71823068},{"date":"2022-02-04","current":232.907684,"twenty":-29.198219,"median":-3.266735,"eighty":178.106017,"marketCap":78579559},{"date":"2022-02-11","current":238.601586,"twenty":-29.198219,"median":-3.266735,"eighty":196.08644,"marketCap":80500596},{"date":"2022-02-18","current":226.671506,"twenty":-29.198219,"median":-3.266735,"eighty":204.221252,"marketCap":76475566},{"date":"2022-02-25","current":206.878418,"twenty":-29.198219,"median":-3.266735,"eighty":205.112619,"marketCap":69797675},{"date":"2022-03-04","current":191.423543,"twenty":-29.198219,"median":-3.266735,"eighty":207.478534,"marketCap":64583432},{"date":"2022-03-11","current":183.289399,"twenty":-29.198219,"median":-3.266735,"eighty":207.478534,"marketCap":61839094},{"date":"2022-03-18","current":202.540208,"twenty":-29.198219,"median":-3.266735,"eighty":207.478534,"marketCap":68334028},{"date":"2022-03-25","current":223.688984,"twenty":-29.198219,"median":-3.266735,"eighty":210.543724,"marketCap":75469308},{"date":"2022-04-01","current":228.298333,"twenty":-29.198219,"median":-3.266735,"eighty":218.467082,"marketCap":77024433},{"date":"2022-04-08","current":204.438176,"twenty":-29.198219,"median":-3.266735,"eighty":219.679667,"marketCap":68974374},{"date":"2022-04-14","current":202.269069,"twenty":-29.198219,"median":-3.266735,"eighty":219.679667,"marketCap":68242550},{"date":"2022-04-22","current":193.592649,"twenty":-29.198219,"median":-3.266735,"eighty":219.679667,"marketCap":65315256},{"date":"2022-04-29","current":177.053221,"twenty":-29.198219,"median":-3.266735,"eighty":219.679667,"marketCap":59735101},{"date":"2022-05-06","current":46.990666,"twenty":-29.198219,"median":-3.266735,"eighty":219.679667,"marketCap":57082240},{"date":"2022-05-13","current":45.258638,"twenty":-29.198219,"median":-3.266735,"eighty":219.679667,"marketCap":54978247},{"date":"2022-05-20","current":45.409249,"twenty":-29.198219,"median":-3.266735,"eighty":219.679667,"marketCap":55161203},{"date":"2022-05-27","current":53.090416,"twenty":-29.198219,"median":-3.266735,"eighty":219.679667,"marketCap":64491954},{"date":"2022-06-03","current":59.039554,"twenty":-29.198219,"median":-3.266735,"eighty":219.679667,"marketCap":71718712},{"date":"2022-06-10","current":53.090416,"twenty":-29.198219,"median":-3.266735,"eighty":219.679667,"marketCap":64491954},{"date":"2022-06-17","current":51.207777,"twenty":-29.198219,"median":-3.266735,"eighty":219.679667,"marketCap":62205006},{"date":"2022-06-24","current":56.102638,"twenty":-29.198219,"median":-3.271948,"eighty":219.801915,"marketCap":68151072},{"date":"2022-07-01","current":50.454721,"twenty":-29.198219,"median":-3.271948,"eighty":219.801915,"marketCap":61290226},{"date":"2022-07-08","current":56.40386,"twenty":-29.198219,"median":-3.271948,"eighty":219.801915,"marketCap":68516984},{"date":"2022-07-15","current":53.918777,"twenty":-29.198219,"median":-3.271948,"eighty":219.801915,"marketCap":65498212},{"date":"2022-07-22","current":59.11486,"twenty":-29.198219,"median":-3.271948,"eighty":219.801915,"marketCap":71810190},{"date":"2022-07-29","current":58.361805,"twenty":-29.198219,"median":-3.271948,"eighty":219.801915,"marketCap":70895411},{"date":"2022-08-05","current":65.365221,"twenty":-29.198219,"median":-3.271948,"eighty":219.801915,"marketCap":79402860},{"date":"2022-08-12","current":67.398471,"twenty":-29.198219,"median":-3.271948,"eighty":219.801915,"marketCap":81872765},{"date":"2022-08-19","current":67.097249,"twenty":-29.198219,"median":-3.271948,"eighty":219.801915,"marketCap":81506853},{"date":"2022-08-26","current":57.624064,"twenty":-29.198219,"median":-3.271948,"eighty":219.801915,"marketCap":73090882},{"date":"2022-09-02","current":54.090173,"twenty":-29.198219,"median":-3.271948,"eighty":219.801915,"marketCap":68608462},{"date":"2022-09-09","current":55.965299,"twenty":-29.198219,"median":-3.271948,"eighty":219.801915,"marketCap":70986889},{"date":"2022-09-16","current":52.287167,"twenty":-29.198219,"median":-3.271948,"eighty":219.801915,"marketCap":66321513},{"date":"2022-09-23","current":43.200018,"twenty":-29.198219,"median":-3.271948,"eighty":219.801915,"marketCap":54795292},{"date":"2022-09-30","current":45.796346,"twenty":-29.198219,"median":-3.271948,"eighty":219.801915,"marketCap":58088498},{"date":"2022-10-07","current":46.156948,"twenty":-29.198219,"median":-3.271948,"eighty":219.801915,"marketCap":58545888},{"date":"2022-10-14","current":44.930903,"twenty":-29.198219,"median":-3.271948,"eighty":219.801915,"marketCap":56990762},{"date":"2022-10-21","current":48.392675,"twenty":-29.198219,"median":-3.271948,"eighty":219.801915,"marketCap":61381704},{"date":"2022-10-28","current":5.5099,"twenty":-29.198219,"median":-3.271948,"eighty":219.801915,"marketCap":62330808},{"date":"2022-11-04","current":5.193426,"twenty":-29.198219,"median":-3.271948,"eighty":219.801915,"marketCap":58750688},{"date":"2022-11-11","current":5.274573,"twenty":-29.198219,"median":-3.271948,"eighty":219.801915,"marketCap":59668667},{"date":"2022-11-18","current":5.234,"twenty":-29.198219,"median":-3.271948,"eighty":219.801915,"marketCap":59209677},{"date":"2022-11-25","current":5.112279,"twenty":-29.198219,"median":-3.271948,"eighty":219.801915,"marketCap":57832708},{"date":"2022-12-02","current":5.331376,"twenty":-29.198219,"median":-3.271948,"eighty":219.801915,"marketCap":60311253},{"date":"2022-12-09","current":4.763345,"twenty":-29.198219,"median":-3.271948,"eighty":219.801915,"marketCap":53885396},{"date":"2022-12-16","current":4.511789,"twenty":-29.198219,"median":-3.271948,"eighty":219.801915,"marketCap":51039660},{"date":"2022-12-23","current":4.142569,"twenty":-29.198219,"median":-3.271948,"eighty":219.801915,"marketCap":46862853},{"date":"2022-12-30","current":4.01679,"twenty":-29.198219,"median":-3.271948,"eighty":219.801915,"marketCap":45439985},{"date":"2023-01-06","current":4.276462,"twenty":-29.198219,"median":-3.25397,"eighty":219.801915,"marketCap":48377519},{"date":"2023-01-13","current":4.836378,"twenty":-29.198219,"median":-3.214239,"eighty":219.801915,"marketCap":54711578},{"date":"2023-01-20","current":4.601051,"twenty":-29.198219,"median":-3.146103,"eighty":219.801915,"marketCap":52049437},{"date":"2023-01-27","current":5.866645,"twenty":-29.198219,"median":3.805807,"eighty":219.801915,"marketCap":56241545},{"date":"2023-02-03","current":5.559892,"twenty":-29.198219,"median":4.162855,"eighty":219.801915,"marketCap":53300811},{"date":"2023-02-10","current":4.884077,"twenty":-29.198219,"median":4.341379,"eighty":219.801915,"marketCap":46822005},{"date":"2023-02-17","current":4.850526,"twenty":-29.198219,"median":4.519903,"eighty":219.801915,"marketCap":46500362},{"date":"2023-02-24","current":4.725908,"twenty":-29.198219,"median":4.674083,"eighty":219.801915,"marketCap":45305689},{"date":"2023-03-03","current":4.783424,"twenty":-29.198219,"median":4.755231,"eighty":219.801915,"marketCap":45857077},{"date":"2023-03-10","current":4.60129,"twenty":-29.198219,"median":4.764252,"eighty":219.801915,"marketCap":44111016},{"date":"2023-03-17","current":4.256193,"twenty":-29.198219,"median":4.764252,"eighty":219.801915,"marketCap":40802689},{"date":"2023-03-24","current":4.399983,"twenty":-29.198219,"median":4.764252,"eighty":219.801915,"marketCap":42181159},{"date":"2023-03-31","current":4.428741,"twenty":-29.198219,"median":4.764252,"eighty":219.679667,"marketCap":42456852},{"date":"2023-04-06","current":4.294537,"twenty":-29.198219,"median":4.764252,"eighty":219.679667,"marketCap":41170281},{"date":"2023-04-14","current":4.313709,"twenty":-29.198219,"median":4.764252,"eighty":219.801915,"marketCap":41354077},{"date":"2023-04-21","current":4.237021,"twenty":-29.198219,"median":4.764252,"eighty":219.801915,"marketCap":40618893},{"date":"2023-04-28","current":3.939854,"twenty":-29.198219,"median":4.764252,"eighty":219.801915,"marketCap":37770057},{"date":"2023-05-05","current":3.80565,"twenty":-29.198219,"median":4.764252,"eighty":219.801915,"marketCap":36483486},{"date":"2023-05-12","current":3.986253,"twenty":-29.198219,"median":4.764252,"eighty":219.801915,"marketCap":35679379},{"date":"2023-05-19","current":3.901548,"twenty":-29.198219,"median":4.764252,"eighty":219.801915,"marketCap":34921221},{"date":"2023-05-26","current":4.118959,"twenty":-29.198219,"median":4.764252,"eighty":219.801915,"marketCap":36867180},{"date":"2023-06-02","current":3.980665,"twenty":-29.198219,"median":4.764252,"eighty":219.801915,"marketCap":35629364},{"date":"2023-06-09","current":3.943903,"twenty":-29.198219,"median":4.764252,"eighty":219.801915,"marketCap":35300324},{"date":"2023-06-16","current":3.892416,"twenty":-29.198219,"median":4.764252,"eighty":219.801915,"marketCap":34839485},{"date":"2023-06-23","current":3.810037,"twenty":-29.198219,"median":4.769045,"eighty":219.924163,"marketCap":34102141},{"date":"2023-06-30","current":3.696766,"twenty":-29.198219,"median":4.773838,"eighty":220.046411,"marketCap":33088294},{"date":"2023-07-07","current":3.614387,"twenty":-29.198219,"median":4.773838,"eighty":220.046411,"marketCap":32350950},{"date":"2023-07-14","current":3.79974,"twenty":-29.198219,"median":4.773838,"eighty":220.046411,"marketCap":34009973},{"date":"2023-07-21","current":3.773996,"twenty":-29.198219,"median":4.773838,"eighty":220.046411,"marketCap":33779553},{"date":"2023-07-28","current":4.221933,"twenty":-29.198219,"median":4.773838,"eighty":220.046411,"marketCap":37788859},{"date":"2023-08-04","current":4.335204,"twenty":-29.198219,"median":4.773838,"eighty":220.046411,"marketCap":38802706},{"date":"2023-08-11","current":4.108662,"twenty":-29.198219,"median":4.778631,"eighty":220.168659,"marketCap":36775012},{"date":"2023-08-18","current":3.871822,"twenty":-29.198219,"median":4.778631,"eighty":220.168659,"marketCap":34655149},{"date":"2023-08-25","current":3.893074,"twenty":-29.198219,"median":4.783424,"eighty":220.493131,"marketCap":32321782},{"date":"2023-09-01","current":4.037118,"twenty":-29.198219,"median":4.783424,"eighty":220.493131,"marketCap":33517688},{"date":"2023-09-06","current":4.121097,"twenty":-29.198219,"median":4.788217,"eighty":220.817603,"marketCap":34214915},{"date":"2023-09-15","current":3.848582,"twenty":-29.198219,"median":4.811128,"eighty":221.958914,"marketCap":31952390},{"date":"2023-09-19","current":3.603874,"twenty":-29.198219,"median":4.811128,"eighty":221.958914,"marketCap":29920735},{"date":"2023-09-28","current":3.348044,"twenty":-29.198219,"median":4.844493,"eighty":222.506402,"marketCap":27796732},{"date":"2023-10-05","current":3.192321,"twenty":-29.198219,"median":4.850526,"eighty":223.097693,"marketCap":26503861},{"date":"2023-10-13","current":3.127029,"twenty":-29.198219,"median":4.850526,"eighty":223.688984,"marketCap":25961779},{"date":"2023-10-20","current":3.192321,"twenty":-29.279325,"median":4.860112,"eighty":224.556627,"marketCap":26503861},{"date":"2023-10-27","current":2.958736,"twenty":-29.400984,"median":4.868837,"eighty":225.858091,"marketCap":24564554},{"date":"2023-10-30","current":-13.220533,"twenty":-29.400984,"median":4.868837,"eighty":225.858091,"marketCap":25118642},{"date":"2023-11-10","current":-13.123323,"twenty":-29.558094,"median":4.88168,"eighty":226.508823,"marketCap":24933946},{"date":"2023-11-17","current":-13.123323,"twenty":-29.558094,"median":4.88168,"eighty":226.508823,"marketCap":24933946},{"date":"2023-11-24","current":-13.366348,"twenty":-29.558094,"median":4.88168,"eighty":226.508823,"marketCap":25395686},{"date":"2023-12-01","current":-14.289841,"twenty":-29.558094,"median":4.88168,"eighty":226.508823,"marketCap":27150297},{"date":"2023-12-08","current":-15.747987,"twenty":-29.518817,"median":4.879284,"eighty":226.34614,"marketCap":29920735},{"date":"2023-12-15","current":-18.421257,"twenty":-29.518817,"median":4.879284,"eighty":226.34614,"marketCap":34999873},{"date":"2023-12-22","current":-17.837998,"twenty":-29.518817,"median":4.879284,"eighty":226.34614,"marketCap":33891697},{"date":"2023-12-29","current":-17.449159,"twenty":-29.558094,"median":4.88168,"eighty":226.508823,"marketCap":33152914},{"date":"2024-01-05","current":-16.234037,"twenty":-29.597372,"median":4.884077,"eighty":226.671506,"marketCap":30844215},{"date":"2024-01-12","current":-15.018914,"twenty":-29.597372,"median":4.884077,"eighty":226.671506,"marketCap":28535516},{"date":"2024-01-19","current":-14.532865,"twenty":-29.601486,"median":4.884571,"eighty":226.725734,"marketCap":27612037},{"date":"2024-01-26","current":-14.095421,"twenty":-29.198219,"median":4.884077,"eighty":226.671506,"marketCap":26780905},{"date":"2024-02-02","current":-14.04633,"twenty":-28.979527,"median":4.884077,"eighty":226.671506,"marketCap":26687634},{"date":"2024-02-09","current":-24.759548,"twenty":-28.732881,"median":4.884077,"eighty":226.671506,"marketCap":25450686},{"date":"2024-02-16","current":-25.209722,"twenty":-27.576097,"median":4.884077,"eighty":226.671506,"marketCap":25913426},{"date":"2024-02-23","current":-22.957953,"twenty":-26.760957,"median":4.884077,"eighty":226.671506,"marketCap":23598801},{"date":"2024-03-01","current":-22.50868,"twenty":-25.565171,"median":4.88168,"eighty":226.508823,"marketCap":23136987},{"date":"2024-03-08","current":-22.778784,"twenty":-25.365472,"median":4.88168,"eighty":226.508823,"marketCap":23414631},{"date":"2024-03-15","current":-22.238575,"twenty":-25.138086,"median":4.88168,"eighty":226.508823,"marketCap":22859343},{"date":"2024-03-22","current":-22.598714,"twenty":-24.940041,"median":4.88168,"eighty":226.508823,"marketCap":23229535},{"date":"2024-03-28","current":-23.138923,"twenty":-24.755114,"median":4.88168,"eighty":226.508823,"marketCap":23784823},{"date":"2024-04-05","current":-23.048888,"twenty":-24.33185,"median":4.884077,"eighty":226.671506,"marketCap":23692275},{"date":"2024-04-12","current":-21.789302,"twenty":-24.129083,"median":4.884077,"eighty":226.671506,"marketCap":22397529},{"date":"2024-04-19","current":-21.159059,"twenty":-23.499061,"median":4.884077,"eighty":226.671506,"marketCap":21749693},{"date":"2024-04-26","current":-21.842423,"twenty":-23.318022,"median":4.88168,"eighty":226.508823,"marketCap":22452132},{"date":"2024-05-03","current":-21.517397,"twenty":-23.123395,"median":4.88168,"eighty":226.508823,"marketCap":22118034},{"date":"2024-05-10","current":-32.142395,"twenty":-23.138923,"median":4.874061,"eighty":226.508823,"marketCap":33039618},{"date":"2024-05-17","current":-39.182448,"twenty":-23.408606,"median":4.84751,"eighty":226.508823,"marketCap":43775180},{"date":"2024-05-24","current":-41.460497,"twenty":-23.683476,"median":4.788217,"eighty":226.508823,"marketCap":46320248},{"date":"2024-05-31","current":-38.271228,"twenty":-24.137195,"median":4.763799,"eighty":226.508823,"marketCap":42757152},{"date":"2024-06-07","current":-45.726663,"twenty":-24.333471,"median":4.711529,"eighty":226.508823,"marketCap":51086468},{"date":"2024-06-14","current":-35.123378,"twenty":-24.737379,"median":4.601051,"eighty":226.671506,"marketCap":39240330},{"date":"2024-06-21","current":-32.555396,"twenty":-24.939724,"median":4.529395,"eighty":226.725734,"marketCap":36371344},{"date":"2024-06-28","current":-34.792026,"twenty":-24.966099,"median":4.515016,"eighty":226.888416,"marketCap":38870139},{"date":"2024-07-05","current":-88.056961,"twenty":-25.142911,"median":4.4575,"eighty":226.888416,"marketCap":98378470},{"date":"2024-07-12","current":-72.814741,"twenty":-25.428728,"median":4.414412,"eighty":226.888416,"marketCap":81349648},{"date":"2024-07-15","current":-75.217047,"twenty":-25.442987,"median":4.40957,"eighty":226.888416,"marketCap":84033538},{"date":"2024-08-02","current":-75.465562,"twenty":-25.651667,"median":4.383411,"eighty":227.748108,"marketCap":84311182},{"date":"2024-08-09","current":-59.809149,"twenty":-26.762587,"median":4.378602,"eighty":227.748108,"marketCap":66819619},{"date":"2024-08-16","current":-60.72037,"twenty":-27.738834,"median":4.319308,"eighty":227.748108,"marketCap":67837647},{"date":"2024-08-23","current":-77.288001,"twenty":-28.733375,"median":4.283103,"eighty":227.748108,"marketCap":86347237},{"date":"2024-08-30","current":-71.157978,"twenty":-29.067004,"median":4.253413,"eighty":227.748108,"marketCap":79498689},{"date":"2024-09-06","current":-72.762303,"twenty":-29.198219,"median":4.224684,"eighty":227.748108,"marketCap":69190474},{"date":"2024-09-13","current":-72.077712,"twenty":-29.808137,"median":4.152712,"eighty":227.748108,"marketCap":68539489},{"date":"2024-09-20","current":-66.405382,"twenty":-30.034206,"median":4.110532,"eighty":227.748108,"marketCap":63145608},{"date":"2024-09-27","current":-67.089973,"twenty":-31.139932,"median":4.073994,"eighty":227.748108,"marketCap":63796593},{"date":"2024-10-04","current":-69.143747,"twenty":-32.574476,"median":4.039423,"eighty":227.748108,"marketCap":65749550},{"date":"2024-10-11","current":-68.654753,"twenty":-32.921174,"median":4.007817,"eighty":227.748108,"marketCap":65284560},{"date":"2024-10-18","current":-81.368597,"twenty":-33.316343,"median":3.982498,"eighty":227.748108,"marketCap":77374294},{"date":"2024-10-25","current":-71.001924,"twenty":-34.03445,"median":3.964498,"eighty":227.748108,"marketCap":67516511},{"date":"2024-10-31","current":-70.708528,"twenty":-34.193489,"median":3.941879,"eighty":227.748108,"marketCap":67237517},{"date":"2024-11-08","current":-57.810325,"twenty":-34.384018,"median":3.913011,"eighty":227.931516,"marketCap":64333469},{"date":"2024-11-15","current":-58.902671,"twenty":-34.384018,"median":3.913011,"eighty":227.931516,"marketCap":65549072},{"date":"2024-11-22","current":-61.927631,"twenty":-34.384018,"median":3.913011,"eighty":227.931516,"marketCap":68915359},{"date":"2024-11-29","current":-60.835284,"twenty":-34.384018,"median":3.913011,"eighty":227.931516,"marketCap":67699755},{"date":"2024-12-06","current":-58.566565,"twenty":-34.384018,"median":3.913011,"eighty":227.931516,"marketCap":65175041},{"date":"2024-12-13","current":-61.927631,"twenty":-34.384018,"median":3.913011,"eighty":227.931516,"marketCap":68915359},{"date":"2024-12-20","current":-61.423471,"twenty":-34.384018,"median":3.913011,"eighty":227.931516,"marketCap":68354311},{"date":"2024-12-27","current":-70.6664,"twenty":-34.384018,"median":3.913011,"eighty":227.931516,"marketCap":78640185},{"date":"2025-01-03","current":-62.347763,"twenty":-34.384018,"median":3.913011,"eighty":227.931516,"marketCap":69382898},{"date":"2025-01-10","current":-63.104004,"twenty":-34.32072,"median":3.921639,"eighty":228.114925,"marketCap":70224470},{"date":"2025-01-17","current":-57.054086,"twenty":-34.32072,"median":3.921639,"eighty":228.114925,"marketCap":63491898},{"date":"2025-01-24","current":-56.886033,"twenty":-34.32072,"median":3.921639,"eighty":228.114925,"marketCap":63304882},{"date":"2025-01-31","current":-76.972878,"twenty":-34.394514,"median":3.921639,"eighty":228.114925,"marketCap":57694405},{"date":"2025-02-07","current":-77.553932,"twenty":-34.511569,"median":3.921639,"eighty":228.114925,"marketCap":58129929},{"date":"2025-02-14","current":-81.181453,"twenty":-34.95688,"median":3.921639,"eighty":228.114925,"marketCap":60848909},{"date":"2025-02-21","current":-77.303757,"twenty":-35.099621,"median":3.921639,"eighty":228.114925,"marketCap":57942413},{"date":"2025-02-28","current":-68.172407,"twenty":-35.753836,"median":3.921639,"eighty":228.114925,"marketCap":51098082},{"date":"2025-03-07","current":-65.920841,"twenty":-36.738121,"median":3.930268,"eighty":228.298333,"marketCap":49410439},{"date":"2025-03-14","current":-58.540709,"twenty":-37.21524,"median":3.930268,"eighty":228.298333,"marketCap":43878720},{"date":"2025-03-21","current":-63.419101,"twenty":-38.768257,"median":3.930268,"eighty":228.298333,"marketCap":47535280},{"date":"2025-03-28","current":-60.917362,"twenty":-39.679478,"median":3.930268,"eighty":228.298333,"marketCap":45660121},{"date":"2025-04-04","current":-54.162665,"twenty":-42.302912,"median":3.930268,"eighty":228.298333,"marketCap":40597192},{"date":"2025-04-11","current":-53.662316,"twenty":-49.901706,"median":3.921639,"eighty":228.114925,"marketCap":40222160},{"date":"2025-04-17","current":-53.412142,"twenty":-52.432621,"median":3.921639,"eighty":228.114925,"marketCap":40034644},{"date":"2025-04-25","current":-57.540014,"twenty":-54.162665,"median":3.930268,"eighty":228.298333,"marketCap":43128657},{"date":"2025-05-02","current":-60.020489,"twenty":-55.625633,"median":3.930268,"eighty":228.298333,"marketCap":44987877},{"date":"2025-05-09","current":-59.416318,"twenty":-56.045766,"median":3.930268,"eighty":228.298333,"marketCap":44535026},{"date":"2025-05-16","current":-62.795687,"twenty":-56.41423,"median":3.930268,"eighty":228.298333,"marketCap":47254006},{"date":"2025-05-23","current":-72.638662,"twenty":-56.886033,"median":3.930268,"eighty":228.298333,"marketCap":54660884},{"date":"2025-05-30","current":-75.753528,"twenty":-57.540014,"median":3.930268,"eighty":228.298333,"marketCap":57004833},{"date":"2025-06-06","current":-71.268122,"twenty":-58.146432,"median":3.930268,"eighty":228.298333,"marketCap":53629547},{"date":"2025-06-13","current":-60.677579,"twenty":-58.540709,"median":3.930268,"eighty":228.298333,"marketCap":45660121},{"date":"2025-06-20","current":-60.802174,"twenty":-58.846227,"median":3.931937,"eighty":228.309966,"marketCap":45753879},{"date":"2025-06-27","current":-62.172715,"twenty":-59.154751,"median":3.931937,"eighty":228.309966,"marketCap":46785217},{"date":"2025-07-03","current":-65.162985,"twenty":-59.243197,"median":3.931937,"eighty":228.309966,"marketCap":49035407},{"date":"2025-07-11","current":-68.277851,"twenty":-59.806164,"median":3.931937,"eighty":228.309966,"marketCap":51379356},{"date":"2025-07-18","current":-66.284337,"twenty":-60.212237,"median":3.931937,"eighty":228.309966,"marketCap":49879229},{"date":"2025-07-25","current":-70.769743,"twenty":-60.686137,"median":3.931937,"eighty":228.309966,"marketCap":53254515},{"date":"2025-08-01","current":-65.785959,"twenty":-60.8517,"median":3.931937,"eighty":228.309966,"marketCap":49504197},{"date":"2025-08-08","current":-69.274609,"twenty":-61.325137,"median":3.931937,"eighty":228.309966,"marketCap":52129420},{"date":"2025-08-15","current":-68.153256,"twenty":-61.606796,"median":3.931937,"eighty":228.309966,"marketCap":51285598},{"date":"2025-08-22","current":-76.687988,"twenty":-61.927631,"median":3.931937,"eighty":228.309966,"marketCap":57708018},{"date":"2025-08-29","current":-77.373258,"twenty":-62.364568,"median":3.931937,"eighty":228.309966,"marketCap":58223686},{"date":"2025-09-05","current":-65.613333,"twenty":-62.678181,"median":3.933606,"eighty":228.321599,"marketCap":57400578},{"date":"2025-09-12","current":-61.830028,"twenty":-63.044877,"median":3.931937,"eighty":228.309966,"marketCap":54090825},{"date":"2025-09-19","current":-62.3705,"twenty":-63.044877,"median":3.931937,"eighty":228.309966,"marketCap":54563647},{"date":"2025-09-26","current":-56.857682,"twenty":-63.044877,"median":3.931937,"eighty":228.309966,"marketCap":49740863},{"date":"2025-10-03","current":-55.992927,"twenty":-63.044877,"median":3.931937,"eighty":228.309966,"marketCap":48984348},{"date":"2025-10-10","current":-52.858187,"twenty":-63.044877,"median":3.931937,"eighty":228.309966,"marketCap":46241981},{"date":"2025-10-17","current":-55.992927,"twenty":-63.044877,"median":3.931937,"eighty":228.309966,"marketCap":48984348},{"date":"2025-10-24","current":-54.479605,"twenty":-63.044877,"median":3.931937,"eighty":228.309966,"marketCap":47660447},{"date":"2025-10-31","current":-51.777244,"twenty":-62.820606,"median":3.931937,"eighty":228.309966,"marketCap":45296338},{"date":"2025-11-07","current":-202.924974,"twenty":-62.820606,"median":3.931937,"eighty":228.309966,"marketCap":42932228},{"date":"2025-11-14","current":-214.546229,"twenty":-62.820606,"median":3.931937,"eighty":228.309966,"marketCap":45390902},{"date":"2025-11-21","current":-204.265887,"twenty":-62.820606,"median":3.931937,"eighty":228.309966,"marketCap":43215921},{"date":"2025-11-28","current":-226.167484,"twenty":-62.820606,"median":3.931937,"eighty":228.309966,"marketCap":47849576},{"date":"2025-12-05","current":-216.781086,"twenty":-62.820606,"median":3.931937,"eighty":228.309966,"marketCap":45863724},{"date":"2025-12-12","current":-210.970459,"twenty":-62.820606,"median":3.931937,"eighty":228.309966,"marketCap":44634387},{"date":"2025-12-19","current":-202.924974,"twenty":-62.820606,"median":3.931937,"eighty":228.309966,"marketCap":42932228},{"date":"2025-12-26","current":-199.349204,"twenty":-62.820606,"median":3.931937,"eighty":228.309966,"marketCap":42175713},{"date":"2026-01-02","current":-185.046123,"twenty":-62.820606,"median":3.931937,"eighty":228.309966,"marketCap":39149653},{"date":"2026-01-09","current":-192.644633,"twenty":-62.820606,"median":3.931937,"eighty":228.309966,"marketCap":40757247},{"date":"2026-01-16","current":-196.220403,"twenty":-62.820606,"median":3.931937,"eighty":228.309966,"marketCap":41513762},{"date":"2026-01-23","current":-200.690117,"twenty":-62.820606,"median":3.931937,"eighty":228.309966,"marketCap":42459406},{"date":"2026-01-30","current":-48.741392,"twenty":-62.945201,"median":3.90728,"eighty":227.197418,"marketCap":42459406},{"date":"2026-02-06","current":-49.662296,"twenty":-62.945201,"median":3.892416,"eighty":226.725734,"marketCap":43261621},{"date":"2026-02-13","current":-47.054211,"twenty":-62.945201,"median":3.871325,"eighty":226.725734,"marketCap":40989676},{"date":"2026-02-20","current":-45.315487,"twenty":-62.945201,"median":3.861053,"eighty":226.725734,"marketCap":39475046},{"date":"2026-02-27","current":-44.337456,"twenty":-62.945201,"median":3.830632,"eighty":226.020774,"marketCap":38623067},{"date":"2026-03-06","current":-44.228785,"twenty":-62.945201,"median":3.807922,"eighty":224.122805,"marketCap":38528402},{"date":"2026-03-13","current":-42.598731,"twenty":-62.945201,"median":3.780285,"eighty":217.683561,"marketCap":37108436},{"date":"2026-03-20","current":-42.381391,"twenty":-62.945201,"median":3.75855,"eighty":210.543724,"marketCap":36919108},{"date":"2026-03-27","current":-40.642668,"twenty":-62.945201,"median":3.707063,"eighty":206.986873,"marketCap":35404478},{"date":"2026-04-02","current":-40.642668,"twenty":-62.945201,"median":3.686468,"eighty":204.438176,"marketCap":35404478},{"date":"2026-04-10","current":-41.94671,"twenty":-62.945201,"median":3.609131,"eighty":202.811346,"marketCap":36540450},{"date":"2026-04-17","current":-44.554795,"twenty":-62.945201,"median":3.297656,"eighty":197.822404,"marketCap":38812395},{"date":"2026-04-24","current":-48.684265,"twenty":-62.945201,"median":3.192321,"eighty":193.701104,"marketCap":42409642},{"date":"2026-05-01","current":-47.054211,"twenty":-62.945201,"median":3.036598,"eighty":186.055008,"marketCap":40989676},{"date":"2026-05-08","current":-45.445891,"twenty":-62.945201,"median":-13.147626,"eighty":182.855578,"marketCap":39588643},{"date":"2026-05-15","current":-33.275579,"twenty":-62.945201,"median":-13.394296,"eighty":176.022896,"marketCap":36635115},{"date":"2026-05-22","current":-35.425164,"twenty":-62.945201,"median":-13.876698,"eighty":75.772448,"marketCap":39001724},{"date":"2026-05-29","current":-35.038238,"twenty":-62.97012,"median":-14.04633,"eighty":67.458716,"marketCap":38575734},{"date":"2026-06-05","current":-34.952255,"twenty":-62.945201,"median":-14.423747,"eighty":65.726688,"marketCap":38481070},{"date":"2026-06-12","current":-34.479347,"twenty":-62.945201,"median":-14.508563,"eighty":62.641255,"marketCap":37960416},{"date":"2026-06-18","current":-33.963446,"twenty":-62.945201,"median":-14.727284,"eighty":59.958282,"marketCap":37392430},{"date":"2026-06-26","current":-33.963446,"twenty":-62.97012,"median":-15.747987,"eighty":58.882614,"marketCap":37392430},{"date":"2026-07-02","current":-33.533529,"twenty":-62.97012,"median":-16.087736,"eighty":57.708305,"marketCap":36919108},{"date":"2026-07-10","current":-33.275579,"twenty":-62.97012,"median":-16.695783,"eighty":56.430372,"marketCap":36635115},{"date":"2026-07-17","current":-33.189595,"twenty":-62.97012,"median":-17.449159,"eighty":55.530316,"marketCap":36540450},{"date":"2026-07-24","current":-32.329761,"twenty":-62.97012,"median":-18.275928,"eighty":55.198971,"marketCap":35593806},{"date":"2026-07-31","current":-31.641894,"twenty":-62.995039,"median":-20.77191,"eighty":54.536283,"marketCap":34836491},{"date":"2026-08-07","current":-32.071811,"twenty":-62.995039,"median":-21.113142,"eighty":54.189878,"marketCap":35309813},{"date":"2026-08-14","current":-31.555911,"twenty":-62.995039,"median":-21.517848,"eighty":53.572371,"marketCap":34741827},{"date":"2026-08-21","current":-29.578292,"twenty":-62.995039,"median":-22.126032,"eighty":52.596999,"marketCap":32564546}],"updateTime":1787543275526},"$inf$@#url:\"https://stock-news.skytigris.cn/v3/notice/important/events/list\",params:#symbol:\"KOSS\",pageSize:20,pageCount:4,market:\"us\",,,undefined,":[{"items":[{"cdn_pdf":false,"hasAttachments":true,"id":"12216230","market":"us","labels":[],"media":"sec.gov","original_id":"AN89843221000115-KOSS","pdf_url":null,"pub_time":1613059200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13D/A [Amend]  - General statement of acquisition of beneficial ownership","symbol":"KOSS","title":"SC 13D/A [Amend]  - General statement of acquisition of beneficial ownership","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/56701/000089843221000115/0000898432-21-000115-index.htm","us_notice_code":"Form SC 13D/A","us_title_en":"SC 13D/A [Amend]  - General statement of acquisition of beneficial ownership","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000089843221000115/sc_13da.htm","primary":true,"translateUrl":null,"linkName":"sc_13da.htm","type":"SC 13D/A","id":"NTFILE3VLso6YssPSE9QA8","market":"us","size":97447},{"description":"","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000089843221000115/ex99-1.htm","primary":false,"translateUrl":null,"linkName":"ex99-1.htm","type":"EX-99.1","id":"NTFILE3ZjccwNRaJcQet5P","market":"us","size":12206}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2021-02-12 00:00","pubTimestamp":1613059200,"title_zh":"SC 13D/A [Amend]  - General statement of acquisition of beneficial ownership","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"11817613","market":"us","labels":[],"media":"sec.gov","original_id":"AN112632821000029-KOSS","pdf_url":null,"pub_time":1612972800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","symbol":"KOSS","title":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/56701/000112632821000029/0001126328-21-000029-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"13G/A KOSS CORPORATION AMDT 7 123120","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000112632821000029/a13gakoss-amdt7123120.htm","primary":true,"translateUrl":null,"linkName":"a13gakoss-amdt7123120.htm","type":"SC 13G/A","id":"NTFILEAxMVjoxnjZK4NkYs","market":"us","size":61572}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2021-02-11 00:00","pubTimestamp":1612972800,"title_zh":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"11814018","market":"us","labels":[],"media":"sec.gov","original_id":"AN89843221000104-KOSS","pdf_url":null,"pub_time":1612886400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13D/A [Amend]  - General statement of acquisition of beneficial ownership","symbol":"KOSS","title":"SC 13D/A [Amend]  - General statement of acquisition of beneficial ownership","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/56701/000089843221000104/0000898432-21-000104-index.htm","us_notice_code":"Form SC 13D/A","us_title_en":"SC 13D/A [Amend]  - General statement of acquisition of beneficial ownership","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000089843221000104/sc_13da.htm","primary":true,"translateUrl":null,"linkName":"sc_13da.htm","type":"SC 13D/A","id":"NTFILEC8hgZvNSzXbkTFAC","market":"us","size":42610}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2021-02-10 00:00","pubTimestamp":1612886400,"title_zh":"SC 13D/A [Amend]  - General statement of acquisition of beneficial ownership","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"11814017","market":"us","labels":[],"media":"sec.gov","original_id":"AN89843221000105-KOSS","pdf_url":null,"pub_time":1612886400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13D/A [Amend]  - General statement of acquisition of beneficial ownership","symbol":"KOSS","title":"SC 13D/A [Amend]  - General statement of acquisition of beneficial ownership","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/56701/000089843221000105/0000898432-21-000105-index.htm","us_notice_code":"Form SC 13D/A","us_title_en":"SC 13D/A [Amend]  - General statement of acquisition of beneficial ownership","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000089843221000105/sc_13da.htm","primary":true,"translateUrl":null,"linkName":"sc_13da.htm","type":"SC 13D/A","id":"NTFILEFQ5BD3wj13zHGQzg","market":"us","size":97002},{"description":"","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000089843221000105/ex99-1.htm","primary":false,"translateUrl":null,"linkName":"ex99-1.htm","type":"EX-99.1","id":"NTFILEDz8VEwhpdGdGZ1DT","market":"us","size":12207}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2021-02-10 00:00","pubTimestamp":1612886400,"title_zh":"SC 13D/A [Amend]  - General statement of acquisition of beneficial ownership","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"11645481","market":"us","labels":[],"media":"sec.gov","original_id":"AN5670121000006-KOSS","pdf_url":null,"pub_time":1611849600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"10-Q  - Quarterly report [Sections 13 or 15(d)]","symbol":"KOSS","title":"10-Q  - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/56701/000005670121000006/0000056701-21-000006-index.htm","us_notice_code":"Form 10-Q","us_title_en":"10-Q  - Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":true,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000005670121000006/koss-20201231x10q.htm","primary":true,"translateUrl":null,"linkName":"koss-20201231x10q.htm","type":"10-Q","id":"NTFILE9rh8MDji2UwciFXr","market":"us","size":728065},{"description":"EX-10.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000005670121000006/koss-20201231xex10_1.htm","primary":false,"translateUrl":null,"linkName":"koss-20201231xex10_1.htm","type":"EX-10.1","id":"NTFILEHetpAi72Bbscwpum","market":"us","size":29224},{"description":"EX-31.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000005670121000006/koss-20201231xex31_1.htm","primary":false,"translateUrl":null,"linkName":"koss-20201231xex31_1.htm","type":"EX-31.1","id":"NTFILE9yAZGt4acfbu6v7Z","market":"us","size":13414},{"description":"EX-31.2","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000005670121000006/koss-20201231xex31_2.htm","primary":false,"translateUrl":null,"linkName":"koss-20201231xex31_2.htm","type":"EX-31.2","id":"NTFILEEaiPd5BhbACAxAR8","market":"us","size":13359},{"description":"EX-32.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000005670121000006/koss-20201231xex32_1.htm","primary":false,"translateUrl":null,"linkName":"koss-20201231xex32_1.htm","type":"EX-32.1","id":"NTFILEtZydm8gMtJ3Lhcc1","market":"us","size":8276},{"description":"EX-32.2","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000005670121000006/koss-20201231xex32_2.htm","primary":false,"translateUrl":null,"linkName":"koss-20201231xex32_2.htm","type":"EX-32.2","id":"NTFILE5wT6YvURaEqmnrvd","market":"us","size":8189}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[{"id":68533,"name":"Condensed Consolidated Balance Sheets","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/56701/000005670121000006/R2.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":68534,"name":"Condensed Consolidated Balance Sheets (Parentheticals)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/56701/000005670121000006/R3.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":68535,"name":"Condensed Consolidated Statements of Operations","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/56701/000005670121000006/R4.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":68536,"name":"Condensed Consolidated Statements of Cash Flows","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/56701/000005670121000006/R5.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":68537,"name":"Condensed Consolidated Statements of Stockholders' Equity","name_zh":"简明合并股东权益报表","url":"https://www.sec.gov/Archives/edgar/data/56701/000005670121000006/R6.htm","cdn_url":"https://static.tigerbbs.com/8fc6391c1306d1f321554a83c8400dae","translation_url":"https://static.tigerbbs.com/0d2acdc048a045071a32f57a5daa48bc","translate_status":1}],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2021-01-29 00:00","pubTimestamp":1611849600,"title_zh":"10-Q  - Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"11630414","market":"us","labels":[],"media":"sec.gov","original_id":"AN5670121000004-KOSS","pdf_url":null,"pub_time":1611763200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"KOSS","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/56701/000005670121000004/0000056701-21-000004-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000005670121000004/koss-20210128xex99_1.htm","primary":true,"translateUrl":null,"linkName":"koss-20210128xex99_1.htm","type":"EX-99.1","id":"NTFILExEze2gapo76hmNWZ","market":"us","size":131529},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000005670121000004/koss-20210128x8k.htm","primary":false,"translateUrl":null,"linkName":"koss-20210128x8k.htm","type":"8-K","id":"NTFILEAERkik1DRVaLuMi3","market":"us","size":31148},{"description":"GRAPHIC","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000005670121000004/koss-20210128xex99_1g001.jpg","primary":false,"translateUrl":null,"linkName":"koss-20210128xex99_1g001.jpg","type":"GRAPHIC","id":"NTFILE2j3AkDpLesb1K4mK","market":"us","size":22275}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2021-01-28 00:00","pubTimestamp":1611763200,"title_zh":"8-K  - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10743352","market":"us","labels":[],"media":"sec.gov","original_id":"AN5670120000008-KOSS","pdf_url":null,"pub_time":1604505600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"10-Q  - Quarterly report [Sections 13 or 15(d)]","symbol":"KOSS","title":"10-Q  - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/56701/000005670120000008/0000056701-20-000008-index.htm","us_notice_code":"Form 10-Q","us_title_en":"10-Q  - Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":true,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000005670120000008/koss-20200930x10q.htm","primary":true,"translateUrl":null,"linkName":"koss-20200930x10q.htm","type":"10-Q","id":"NTFILEFNJZXPdQ75aBaZyU","market":"us","size":535253},{"description":"EX-31.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000005670120000008/koss-20200930xex31_1.htm","primary":false,"translateUrl":null,"linkName":"koss-20200930xex31_1.htm","type":"EX-31.1","id":"NTFILEERWrFhAeQbxutGEC","market":"us","size":13414},{"description":"EX-31.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000005670120000008/koss-20200930xex31_2.htm","primary":false,"translateUrl":null,"linkName":"koss-20200930xex31_2.htm","type":"EX-31.2","id":"NTFILEAB1tU1UUmMpBWXT2","market":"us","size":13359},{"description":"EX-32.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000005670120000008/koss-20200930xex32_1.htm","primary":false,"translateUrl":null,"linkName":"koss-20200930xex32_1.htm","type":"EX-32.1","id":"NTFILE8yCCACwp4umCrZeG","market":"us","size":8277},{"description":"EX-32.2","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000005670120000008/koss-20200930xex32_2.htm","primary":false,"translateUrl":null,"linkName":"koss-20200930xex32_2.htm","type":"EX-32.2","id":"NTFILE2PUM8DruqsRedfPQ","market":"us","size":8190}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[{"id":51531,"name":"Condensed Consolidated Balance Sheets","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/56701/000005670120000008/R2.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":51532,"name":"Condensed Consolidated Balance Sheets (Parentheticals)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/56701/000005670120000008/R3.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":51533,"name":"Condensed Consolidated Statements of Operations","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/56701/000005670120000008/R4.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":51534,"name":"Condensed Consolidated Statements of Cash Flows","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/56701/000005670120000008/R5.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":51535,"name":"Condensed Consolidated Statements of Stockholders' Equity","name_zh":"简明合并股东权益报表","url":"https://www.sec.gov/Archives/edgar/data/56701/000005670120000008/R6.htm","cdn_url":"https://static.tigerbbs.com/074fdc2074f4d1068aab705aced72980","translation_url":"https://static.tigerbbs.com/b9cb13c34c2b4a376876e726ca2d9be2","translate_status":1}],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2020-11-05 00:00","pubTimestamp":1604505600,"title_zh":"10-Q  - Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10657985","market":"us","labels":[],"media":"sec.gov","original_id":"AN5670120000005-KOSS","pdf_url":null,"pub_time":1603900800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"KOSS","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/56701/000005670120000005/0000056701-20-000005-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000005670120000005/koss-20201029xex99_1.htm","primary":true,"translateUrl":null,"linkName":"koss-20201029xex99_1.htm","type":"EX-99.1","id":"NTFILEB7A8Z7xNG5zY1Jnt","market":"us","size":68522},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000005670120000005/koss-20201029x8k.htm","primary":false,"translateUrl":null,"linkName":"koss-20201029x8k.htm","type":"8-K","id":"NTFILEBuorWLDqXQeEyLY2","market":"us","size":31109},{"description":"GRAPHIC","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000005670120000005/koss-20201029xex99_1g001.jpg","primary":false,"translateUrl":null,"linkName":"koss-20201029xex99_1g001.jpg","type":"GRAPHIC","id":"NTFILEB8oQBpL4nnePpcN2","market":"us","size":22275}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2020-10-29 00:00","pubTimestamp":1603900800,"title_zh":"8-K  - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10457265","market":"us","labels":[],"media":"sec.gov","original_id":"AN5670120000002-KOSS","pdf_url":null,"pub_time":1602691200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"KOSS","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/56701/000005670120000002/0000056701-20-000002-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.07: Submission of Matters to a Vote of Security Holders","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"8-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000005670120000002/koss-20201014x8k.htm","primary":true,"translateUrl":null,"linkName":"koss-20201014x8k.htm","type":"8-K","id":"NTFILEBTxtLETYN7GaPANV","market":"us","size":90219}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2020-10-15 00:00","pubTimestamp":1602691200,"title_zh":"8-K  - Current report","summary_en":"Item 5.07: Submission of Matters to a Vote of Security Holders","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10457267","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774920018841-KOSS","pdf_url":null,"pub_time":1598457600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"10-K  - Annual report [Section 13 and 15(d), not S-K Item 405]","symbol":"KOSS","title":"10-K  - Annual report [Section 13 and 15(d), not S-K Item 405]","titleType":"Annual Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/56701/000143774920018841/0001437749-20-018841-index.htm","us_notice_code":"Form 10-K","us_title_en":"10-K  - Annual report [Section 13 and 15(d), not S-K Item 405]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 10-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920018841/koss20200630_10k.htm","primary":true,"translateUrl":null,"linkName":"koss20200630_10k.htm","type":"10-K","id":"NTFILEJ6Bmw3e59bGk1ZuB","market":"us","size":966645},{"description":"EXHIBIT 3.4","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920018841/ex_201043.htm","primary":false,"translateUrl":null,"linkName":"ex_201043.htm","type":"EX-3.4","id":"NTFILE3pMsYDRZzNjPXHqi","market":"us","size":3102},{"description":"EXHIBIT 4.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920018841/ex_200591.htm","primary":false,"translateUrl":null,"linkName":"ex_200591.htm","type":"EX-4.1","id":"NTFILEBcJnxcV664n9PQ4K","market":"us","size":22966},{"description":"EXHIBIT 21.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920018841/ex_200595.htm","primary":false,"translateUrl":null,"linkName":"ex_200595.htm","type":"EX-21.1","id":"NTFILE7YGmkVHd4dSSUcm7","market":"us","size":3450},{"description":"EXHIBIT 23.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920018841/ex_191199.htm","primary":false,"translateUrl":null,"linkName":"ex_191199.htm","type":"EX-23.1","id":"NTFILEBPTjyzHiUXArQdwb","market":"us","size":2966},{"description":"EXHIBIT 31.1","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920018841/ex_191201.htm","primary":false,"translateUrl":null,"linkName":"ex_191201.htm","type":"EX-31.1","id":"NTFILE9siXRXXUm2FP1139","market":"us","size":11848},{"description":"EXHIBIT 31.2","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920018841/ex_191202.htm","primary":false,"translateUrl":null,"linkName":"ex_191202.htm","type":"EX-31.2","id":"NTFILE36jWURC5uGLvaqV3","market":"us","size":12531},{"description":"EXHIBIT 32.1","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920018841/ex_191203.htm","primary":false,"translateUrl":null,"linkName":"ex_191203.htm","type":"EX-32.1","id":"NTFILE27iqGUtxxjsTgjWC","market":"us","size":6310},{"description":"EXHIBIT 32.2","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920018841/ex_191204.htm","primary":false,"translateUrl":null,"linkName":"ex_191204.htm","type":"EX-32.2","id":"NTFILEF2CWAQX5fTrwNp4K","market":"us","size":7223}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Annual Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Annual Report","pubTime":"2020-08-27 00:00","pubTimestamp":1598457600,"title_zh":"10-K  - Annual report [Section 13 and 15(d), not S-K Item 405","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10277963","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774920018483-KOSS","pdf_url":null,"pub_time":1597852800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"KOSS","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/56701/000143774920018483/0001437749-20-018483-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920018483/ex_198964.htm","primary":true,"translateUrl":null,"linkName":"ex_198964.htm","type":"EX-99.1","id":"NTFILEJW57aieTE97pwuRr","market":"us","size":67567},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920018483/koss20200811_8k.htm","primary":false,"translateUrl":null,"linkName":"koss20200811_8k.htm","type":"8-K","id":"NTFILEGw9pRtReRH7F7VaM","market":"us","size":20216},{"description":"","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920018483/imagea1a07.jpg","primary":false,"translateUrl":null,"linkName":"imagea1a07.jpg","type":"GRAPHIC","id":"NTFILEeGBKihNt4iwKqvmm","market":"us","size":21146}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2020-08-20 00:00","pubTimestamp":1597852800,"title_zh":"8-K  - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10182676","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774920015568-KOSS","pdf_url":null,"pub_time":1595433600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"KOSS","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/56701/000143774920015568/0001437749-20-015568-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920015568/ex_194681.htm","primary":true,"translateUrl":null,"linkName":"ex_194681.htm","type":"EX-99.1","id":"NTFILEEisLZE7Tw41FtfB1","market":"us","size":10975},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920015568/koss20200708_8k.htm","primary":false,"translateUrl":null,"linkName":"koss20200708_8k.htm","type":"8-K","id":"NTFILEBzfBc3mdCSXq15xr","market":"us","size":20358},{"description":"","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920015568/imagea1a07.jpg","primary":false,"translateUrl":null,"linkName":"imagea1a07.jpg","type":"GRAPHIC","id":"NTFILE5AXdoj2t6v1iS11W","market":"us","size":21146}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2020-07-23 00:00","pubTimestamp":1595433600,"title_zh":"8-K  - Current report","summary_en":"Item 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9696706","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774920010098-KOSS","pdf_url":null,"pub_time":1588867200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Quarterly report [Sections 13 or 15(d)]","symbol":"KOSS","title":"Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/56701/000143774920010098/0001437749-20-010098-index.htm","us_notice_code":"Form 10-Q","us_title_en":null,"is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920010098/koss20200331_10q.htm","primary":true,"translateUrl":null,"linkName":"koss20200331_10q.htm","type":"10-Q","id":"NTFILEGoBxrkkoLAS1FDxX","market":"us","size":578765},{"description":"EXHIBIT 31.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920010098/ex_176604.htm","primary":false,"translateUrl":null,"linkName":"ex_176604.htm","type":"EX-31.1","id":"NTFILE4PFjsdWiq8uQA8ip","market":"us","size":12855},{"description":"EXHIBIT 31.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920010098/ex_176605.htm","primary":false,"translateUrl":null,"linkName":"ex_176605.htm","type":"EX-31.2","id":"NTFILEC1W3WYwBLFyQa3yx","market":"us","size":12729},{"description":"EXHIBIT 32.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920010098/ex_176606.htm","primary":false,"translateUrl":null,"linkName":"ex_176606.htm","type":"EX-32.1","id":"NTFILEAexVVsLDVoyKBPyq","market":"us","size":6063},{"description":"EXHIBIT 32.2","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920010098/ex_176607.htm","primary":false,"translateUrl":null,"linkName":"ex_176607.htm","type":"EX-32.2","id":"NTFILEJwXC6QKE1U1jyEPc","market":"us","size":6057},{"description":"XBRL INSTANCE DOCUMENT","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920010098/koss-20200331.xml","primary":false,"translateUrl":null,"linkName":"koss-20200331.xml","type":"EX-101.INS","id":"NTFILE4jrxDfEKmMSYD2sT","market":"us","size":480312},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920010098/koss-20200331.xsd","primary":false,"translateUrl":null,"linkName":"koss-20200331.xsd","type":"EX-101.SCH","id":"NTFILE9yPbhHdknMmw7Rh7","market":"us","size":26559},{"description":"XBRL TAXONOMY EXTENSION CALCULATION LINKBASE","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920010098/koss-20200331_cal.xml","primary":false,"translateUrl":null,"linkName":"koss-20200331_cal.xml","type":"EX-101.CAL","id":"NTFILE2SLpX1uQJdSZHFgD","market":"us","size":28747},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920010098/koss-20200331_def.xml","primary":false,"translateUrl":null,"linkName":"koss-20200331_def.xml","type":"EX-101.DEF","id":"NTFILE2ZCNToUewZwFvufk","market":"us","size":189295},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920010098/koss-20200331_lab.xml","primary":false,"translateUrl":null,"linkName":"koss-20200331_lab.xml","type":"EX-101.LAB","id":"NTFILEAdUiudtPGGYd5ShL","market":"us","size":158660},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920010098/koss-20200331_pre.xml","primary":false,"translateUrl":null,"linkName":"koss-20200331_pre.xml","type":"EX-101.PRE","id":"NTFILE5vZYrcvzNC6AkJiv","market":"us","size":205335}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2020-05-08 00:00","pubTimestamp":1588867200,"title_zh":"Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9691602","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774920009872-KOSS","pdf_url":null,"pub_time":1588780800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Current report, items 2.02 and 9.01","symbol":"KOSS","title":"Current report, items 2.02 and 9.01","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/56701/000143774920009872/0001437749-20-009872-index.htm","us_notice_code":"Form 8-K","us_title_en":null,"is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920009872/ex_182481.htm","primary":true,"translateUrl":null,"linkName":"ex_182481.htm","type":"EX-99.1","id":"NTFILEDHRD2pAboKmvyLZs","market":"us","size":68746},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920009872/koss20200423b_8k.htm","primary":false,"translateUrl":null,"linkName":"koss20200423b_8k.htm","type":"8-K","id":"NTFILE2Dgtsi5irAj27wVH","market":"us","size":20296},{"description":"","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920009872/imagea1a07.jpg","primary":false,"translateUrl":null,"linkName":"imagea1a07.jpg","type":"GRAPHIC","id":"NTFILE55itNUi1sMD9yCC2","market":"us","size":21146}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2020-05-07 00:00","pubTimestamp":1588780800,"title_zh":"Current report, items 2.02 and 9.01","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9076103","market":"us","labels":[],"media":"sec.gov","original_id":"AN112632820000030-KOSS","pdf_url":null,"pub_time":1581350400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"[Amend] Statement of acquisition of beneficial ownership by individuals","symbol":"KOSS","title":"[Amend] Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/56701/000112632820000030/0001126328-20-000030-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"[Amend] Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"13 G/A KOSS CORPORATION ADMT 6 123119","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000112632820000030/a13gakoss-amdt6123119.htm","primary":true,"translateUrl":null,"linkName":"a13gakoss-amdt6123119.htm","type":"SC 13G/A","id":"NTFILEEcyugmyBMq8NUfzA","market":"us","size":107985}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2020-02-11 00:00","pubTimestamp":1581350400,"title_zh":"Amend] Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9039643","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774920001491-KOSS","pdf_url":null,"pub_time":1580400000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Quarterly report [Sections 13 or 15(d)]","symbol":"KOSS","title":"Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/56701/000143774920001491/0001437749-20-001491-index.htm","us_notice_code":"Form 10-Q","us_title_en":"Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920001491/koss20191231b_10q.htm","primary":true,"translateUrl":null,"linkName":"koss20191231b_10q.htm","type":"10-Q","id":"NTFILE46BYg6n4cRtytnHL","market":"us","size":560117},{"description":"EXHIBIT 31.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920001491/ex_168654.htm","primary":false,"translateUrl":null,"linkName":"ex_168654.htm","type":"EX-31.1","id":"NTFILE3N8RXD64Eo6m9Yor","market":"us","size":12732},{"description":"EXHIBIT 31.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920001491/ex_168655.htm","primary":false,"translateUrl":null,"linkName":"ex_168655.htm","type":"EX-31.2","id":"NTFILE3CL45G4jKmFtNzGe","market":"us","size":12601},{"description":"EXHIBIT 32.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920001491/ex_168656.htm","primary":false,"translateUrl":null,"linkName":"ex_168656.htm","type":"EX-32.1","id":"NTFILEBQAJpkG9jhnnG6WR","market":"us","size":5843},{"description":"EXHIBIT 32.2","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920001491/ex_168657.htm","primary":false,"translateUrl":null,"linkName":"ex_168657.htm","type":"EX-32.2","id":"NTFILE3GsTH3BLUeNn1kmf","market":"us","size":5832},{"description":"XBRL INSTANCE DOCUMENT","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920001491/koss-20191231.xml","primary":false,"translateUrl":null,"linkName":"koss-20191231.xml","type":"EX-101.INS","id":"NTFILE8w4NXSYwS2moLaEc","market":"us","size":444208},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920001491/koss-20191231.xsd","primary":false,"translateUrl":null,"linkName":"koss-20191231.xsd","type":"EX-101.SCH","id":"NTFILE6Z8RbanRhkiRWy1E","market":"us","size":22929},{"description":"XBRL TAXONOMY EXTENSION CALCULATION LINKBASE","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920001491/koss-20191231_cal.xml","primary":false,"translateUrl":null,"linkName":"koss-20191231_cal.xml","type":"EX-101.CAL","id":"NTFILEDN983URbiCJ5Jinx","market":"us","size":28747},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920001491/koss-20191231_def.xml","primary":false,"translateUrl":null,"linkName":"koss-20191231_def.xml","type":"EX-101.DEF","id":"NTFILEG2wuGdXPetFTwqsY","market":"us","size":150234},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920001491/koss-20191231_lab.xml","primary":false,"translateUrl":null,"linkName":"koss-20191231_lab.xml","type":"EX-101.LAB","id":"NTFILEC9DUX15oxWRDhrSf","market":"us","size":136334},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920001491/koss-20191231_pre.xml","primary":false,"translateUrl":null,"linkName":"koss-20191231_pre.xml","type":"EX-101.PRE","id":"NTFILE9FeEXesBTy1VQvxT","market":"us","size":168084}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2020-01-31 00:00","pubTimestamp":1580400000,"title_zh":"Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9036695","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774920001426-KOSS","pdf_url":null,"pub_time":1580313600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Current report, items 2.02 and 9.01","symbol":"KOSS","title":"Current report, items 2.02 and 9.01","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/56701/000143774920001426/0001437749-20-001426-index.htm","us_notice_code":"Form 8-K","us_title_en":"Current report, items 2.02 and 9.01","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920001426/ex_169978.htm","primary":true,"translateUrl":null,"linkName":"ex_169978.htm","type":"EX-99.1","id":"NTFILEEJGSaHrFfv3sgofh","market":"us","size":67170},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920001426/koss20200121_8k.htm","primary":false,"translateUrl":null,"linkName":"koss20200121_8k.htm","type":"8-K","id":"NTFILEHWnzGUXEZLsR8Jws","market":"us","size":20923},{"description":"","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774920001426/imagea1a07.jpg","primary":false,"translateUrl":null,"linkName":"imagea1a07.jpg","type":"GRAPHIC","id":"NTFILE8nf81JjwsRjguRMP","market":"us","size":21146}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2020-01-30 00:00","pubTimestamp":1580313600,"title_zh":"Current report, items 2.02 and 9.01","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"8752234","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774919022504-KOSS","pdf_url":null,"pub_time":1573488000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Quarterly report [Sections 13 or 15(d)]","symbol":"KOSS","title":"Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/56701/000143774919022504/0001437749-19-022504-index.htm","us_notice_code":"Form 10-Q","us_title_en":"Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774919022504/koss20190930b_10q.htm","primary":true,"translateUrl":null,"linkName":"koss20190930b_10q.htm","type":"10-Q","id":"NTFILEBfud5ybLvujvtQnp","market":"us","size":434397},{"description":"EXHIBIT 18.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774919022504/ex_163787.htm","primary":false,"translateUrl":null,"linkName":"ex_163787.htm","type":"EX-18.1","id":"NTFILE34b7gaPAhdUQbRrh","market":"us","size":4572},{"description":"EXHIBIT 31.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774919022504/ex_159411.htm","primary":false,"translateUrl":null,"linkName":"ex_159411.htm","type":"EX-31.1","id":"NTFILE741cRDLfKNDurWPM","market":"us","size":12729},{"description":"EXHIBIT 31.2","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774919022504/ex_159412.htm","primary":false,"translateUrl":null,"linkName":"ex_159412.htm","type":"EX-31.2","id":"NTFILEBv63x4yZC8racBRy","market":"us","size":12603},{"description":"EXHIBIT 32.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774919022504/ex_159413.htm","primary":false,"translateUrl":null,"linkName":"ex_159413.htm","type":"EX-32.1","id":"NTFILE3oyRMazhHwt2KJer","market":"us","size":5846},{"description":"EXHIBIT 32.2","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774919022504/ex_159414.htm","primary":false,"translateUrl":null,"linkName":"ex_159414.htm","type":"EX-32.2","id":"NTFILE7nML95afCWvFJrfJ","market":"us","size":5835},{"description":"XBRL INSTANCE DOCUMENT","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774919022504/koss-20190930.xml","primary":false,"translateUrl":null,"linkName":"koss-20190930.xml","type":"EX-101.INS","id":"NTFILE2PFeNXDoCxo972Xk","market":"us","size":312952},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774919022504/koss-20190930.xsd","primary":false,"translateUrl":null,"linkName":"koss-20190930.xsd","type":"EX-101.SCH","id":"NTFILECc6uKB4aYCfwgYES","market":"us","size":22734},{"description":"XBRL TAXONOMY EXTENSION CALCULATION LINKBASE","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774919022504/koss-20190930_cal.xml","primary":false,"translateUrl":null,"linkName":"koss-20190930_cal.xml","type":"EX-101.CAL","id":"NTFILEkoaGL5iUHBn7V7j2","market":"us","size":28747},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774919022504/koss-20190930_def.xml","primary":false,"translateUrl":null,"linkName":"koss-20190930_def.xml","type":"EX-101.DEF","id":"NTFILE4VCkazWNb15Ljx9X","market":"us","size":149461},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774919022504/koss-20190930_lab.xml","primary":false,"translateUrl":null,"linkName":"koss-20190930_lab.xml","type":"EX-101.LAB","id":"NTFILEFxTLqH6TbKFKegih","market":"us","size":135062},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774919022504/koss-20190930_pre.xml","primary":false,"translateUrl":null,"linkName":"koss-20190930_pre.xml","type":"EX-101.PRE","id":"NTFILE62mC1J4nAMG2va3t","market":"us","size":166496}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2019-11-12 00:00","pubTimestamp":1573488000,"title_zh":"Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"8607966","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774919021992-KOSS","pdf_url":null,"pub_time":1573056000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Current report, item 9.01","symbol":"KOSS","title":"Current report, item 9.01","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/56701/000143774919021992/0001437749-19-021992-index.htm","us_notice_code":"Form 8-K","us_title_en":"Current report, item 9.01","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 8-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774919021992/koss20191002_8k.htm","primary":true,"translateUrl":null,"linkName":"koss20191002_8k.htm","type":"8-K","id":"NTFILE5Zca45K7EPT84afb","market":"us","size":18372},{"description":"EXHIBIT 99.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774919021992/ex_159417.htm","primary":false,"translateUrl":null,"linkName":"ex_159417.htm","type":"EX-99.1","id":"NTFILEBUXaEoEM7TfdMewd","market":"us","size":44472},{"description":"","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774919021992/imagea1a08.jpg","primary":false,"translateUrl":null,"linkName":"imagea1a08.jpg","type":"GRAPHIC","id":"NTFILE6pfYvJdFTBP7bSii","market":"us","size":22275}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2019-11-07 00:00","pubTimestamp":1573056000,"title_zh":"Current report, item 9.01","summary_en":"Item 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"8573390","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774919020177-KOSS","pdf_url":null,"pub_time":1571241600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Current report, item 5.07","symbol":"KOSS","title":"Current report, item 5.07","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/56701/000143774919020177/0001437749-19-020177-index.htm","us_notice_code":"Form 8-K","us_title_en":"Current report, item 5.07","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 8-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/56701/000143774919020177/koss20191014_8k.htm","primary":true,"translateUrl":null,"linkName":"koss20191014_8k.htm","type":"8-K","id":"NTFILED8jeQKFufQoDhs58","market":"us","size":40748}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2019-10-17 00:00","pubTimestamp":1571241600,"title_zh":"Current report, item 5.07","summary_en":"Item 5.07: Submission of Matters to a Vote of Security Holders","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0}],"pageSize":20,"totalPage":6,"pageCount":4,"totalSize":116,"code":"91000000","status":"200"}]}}