Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-19-017702-index-headers.html | 2019-08-30 16:15:55 | |
| 0001437749-19-017702-index.html | 2019-08-30 16:15:55 | |
| 0001437749-19-017702.txt | 2019-08-30 16:15:55 | |
 0001437749-19-017702-xbrl.zip | 131649 | 2019-08-30 16:15:55 |
| ex_149191.htm | 10496 | 2019-08-30 16:15:55 |
| ex_149192.htm | 10946 | 2019-08-30 16:15:55 |
| ex_149193.htm | 5188 | 2019-08-30 16:15:55 |
| ex_149194.htm | 5868 | 2019-08-30 16:15:55 |
| ex_149240.htm | 2943 | 2019-08-30 16:15:55 |
| ex_156625.htm | 3574 | 2019-08-30 16:15:55 |
| FilingSummary.xml | 39394 | 2019-08-30 16:15:55 |
| Financial_Report.xlsx | 65562 | 2019-08-30 16:15:55 |
| koss-20190630.xml | 1201333 | 2019-08-30 16:15:55 |
| koss-20190630.xsd | 56707 | 2019-08-30 16:15:55 |
| koss-20190630_cal.xml | 46841 | 2019-08-30 16:15:55 |
| koss-20190630_def.xml | 374646 | 2019-08-30 16:15:55 |
| koss-20190630_lab.xml | 345023 | 2019-08-30 16:15:55 |
| koss-20190630_pre.xml | 413530 | 2019-08-30 16:15:55 |
| koss20180630_10k.htm | 927551 | 2019-08-30 16:15:55 |
| R1.htm | 36976 | 2019-08-30 16:15:55 |
| R10.htm | 20102 | 2019-08-30 16:15:55 |
| R11.htm | 31448 | 2019-08-30 16:15:55 |
| R12.htm | 79647 | 2019-08-30 16:15:55 |
| R13.htm | 14726 | 2019-08-30 16:15:55 |
| R14.htm | 23047 | 2019-08-30 16:15:55 |
| R15.htm | 11906 | 2019-08-30 16:15:55 |
| R16.htm | 7562 | 2019-08-30 16:15:55 |
| R17.htm | 127799 | 2019-08-30 16:15:55 |
| R18.htm | 9941 | 2019-08-30 16:15:55 |
| R19.htm | 25009 | 2019-08-30 16:15:55 |
| R2.htm | 76380 | 2019-08-30 16:15:55 |
| R20.htm | 5654 | 2019-08-30 16:15:55 |
| R21.htm | 38027 | 2019-08-30 16:15:55 |
| R22.htm | 9035 | 2019-08-30 16:15:55 |
| R23.htm | 10595 | 2019-08-30 16:15:55 |
| R24.htm | 9689 | 2019-08-30 16:15:55 |
| R25.htm | 88328 | 2019-08-30 16:15:55 |
| R26.htm | 74265 | 2019-08-30 16:15:55 |
| R27.htm | 16580 | 2019-08-30 16:15:55 |
| R28.htm | 30103 | 2019-08-30 16:15:55 |
| R29.htm | 72261 | 2019-08-30 16:15:55 |
| R3.htm | 12422 | 2019-08-30 16:15:55 |
| R30.htm | 20750 | 2019-08-30 16:15:55 |
| R31.htm | 123138 | 2019-08-30 16:15:55 |
| R32.htm | 22684 | 2019-08-30 16:15:55 |
| R33.htm | 36294 | 2019-08-30 16:15:55 |
| R34.htm | 12468 | 2019-08-30 16:15:55 |
| R35.htm | 60297 | 2019-08-30 16:15:55 |
| R36.htm | 7593 | 2019-08-30 16:15:55 |
| R37.htm | 4114 | 2019-08-30 16:15:55 |
| R38.htm | 12674 | 2019-08-30 16:15:55 |
| R39.htm | 30881 | 2019-08-30 16:15:55 |
| R4.htm | 40618 | 2019-08-30 16:15:55 |
| R40.htm | 15519 | 2019-08-30 16:15:55 |
| R41.htm | 11349 | 2019-08-30 16:15:55 |
| R42.htm | 22871 | 2019-08-30 16:15:55 |
| R43.htm | 22425 | 2019-08-30 16:15:55 |
| R44.htm | 5997 | 2019-08-30 16:15:55 |
| R45.htm | 41967 | 2019-08-30 16:15:55 |
| R46.htm | 23669 | 2019-08-30 16:15:55 |
| R47.htm | 16586 | 2019-08-30 16:15:55 |
| R48.htm | 6332 | 2019-08-30 16:15:55 |
| R49.htm | 24997 | 2019-08-30 16:15:55 |
| R5.htm | 56748 | 2019-08-30 16:15:55 |
| R50.htm | 12275 | 2019-08-30 16:15:55 |
| R51.htm | 61682 | 2019-08-30 16:15:55 |
| R52.htm | 10344 | 2019-08-30 16:15:55 |
| R53.htm | 16960 | 2019-08-30 16:15:55 |
| R54.htm | 18035 | 2019-08-30 16:15:55 |
| R55.htm | 20558 | 2019-08-30 16:15:55 |
| R56.htm | 3122 | 2019-08-30 16:15:55 |
| R57.htm | 4469 | 2019-08-30 16:15:55 |
| R58.htm | 7199 | 2019-08-30 16:15:55 |
| R59.htm | 10228 | 2019-08-30 16:15:55 |
| R6.htm | 28757 | 2019-08-30 16:15:55 |
| R60.htm | 18296 | 2019-08-30 16:15:55 |
| R61.htm | 6757 | 2019-08-30 16:15:55 |
| R62.htm | 19757 | 2019-08-30 16:15:55 |
| R7.htm | 38297 | 2019-08-30 16:15:55 |
| R8.htm | 8652 | 2019-08-30 16:15:55 |
| R9.htm | 82288 | 2019-08-30 16:15:55 |
| report.css | 2767 | 2019-08-30 16:15:55 |
| Show.js | 1085 | 2019-08-30 16:15:55 |