Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000056701-21-000006-index-headers.html | 2021-01-29 07:55:05 | |
| 0000056701-21-000006-index.html | 2021-01-29 07:55:05 | |
| 0000056701-21-000006.txt | 2021-01-29 07:55:05 | |
 0000056701-21-000006-xbrl.zip | 46806 | 2021-01-29 07:55:05 |
| FilingSummary.xml | 15944 | 2021-01-29 07:55:05 |
| Financial_Report.xlsx | 33933 | 2021-01-29 07:55:05 |
| koss-20201231.xml | 328001 | 2021-01-29 07:55:05 |
| koss-20201231.xsd | 16432 | 2021-01-29 07:55:05 |
| koss-20201231x10q.htm | 728065 | 2021-01-29 07:55:05 |
| koss-20201231xex10_1.htm | 29224 | 2021-01-29 07:55:05 |
| koss-20201231xex31_1.htm | 13414 | 2021-01-29 07:55:05 |
| koss-20201231xex31_2.htm | 13359 | 2021-01-29 07:55:05 |
| koss-20201231xex32_1.htm | 8276 | 2021-01-29 07:55:05 |
| koss-20201231xex32_2.htm | 8189 | 2021-01-29 07:55:05 |
| koss-20201231_cal.xml | 35808 | 2021-01-29 07:55:05 |
| koss-20201231_def.xml | 39302 | 2021-01-29 07:55:05 |
| koss-20201231_lab.xml | 180198 | 2021-01-29 07:55:05 |
| koss-20201231_pre.xml | 130381 | 2021-01-29 07:55:05 |
| R1.htm | 52239 | 2021-01-29 07:55:05 |
| R10.htm | 32584 | 2021-01-29 07:55:05 |
| R11.htm | 59863 | 2021-01-29 07:55:05 |
| R12.htm | 5688 | 2021-01-29 07:55:05 |
| R13.htm | 7685 | 2021-01-29 07:55:05 |
| R14.htm | 16607 | 2021-01-29 07:55:05 |
| R15.htm | 21643 | 2021-01-29 07:55:05 |
| R16.htm | 27192 | 2021-01-29 07:55:05 |
| R17.htm | 58582 | 2021-01-29 07:55:05 |
| R18.htm | 19436 | 2021-01-29 07:55:05 |
| R19.htm | 12961 | 2021-01-29 07:55:05 |
| R2.htm | 85649 | 2021-01-29 07:55:05 |
| R20.htm | 32252 | 2021-01-29 07:55:05 |
| R21.htm | 10931 | 2021-01-29 07:55:05 |
| R22.htm | 12752 | 2021-01-29 07:55:05 |
| R23.htm | 33554 | 2021-01-29 07:55:05 |
| R24.htm | 8099 | 2021-01-29 07:55:05 |
| R25.htm | 4283 | 2021-01-29 07:55:05 |
| R3.htm | 13332 | 2021-01-29 07:55:05 |
| R4.htm | 60483 | 2021-01-29 07:55:05 |
| R5.htm | 68682 | 2021-01-29 07:55:05 |
| R6.htm | 33418 | 2021-01-29 07:55:05 |
| R7.htm | 10986 | 2021-01-29 07:55:05 |
| R8.htm | 21310 | 2021-01-29 07:55:05 |
| R9.htm | 8696 | 2021-01-29 07:55:05 |
| report.css | 2767 | 2021-01-29 07:55:05 |
| Show.js | 1085 | 2021-01-29 07:55:05 |