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| 0000056701-18-000044-index.html | 2018-11-02 17:11:03 | |
| 0000056701-18-000044.txt | 2018-11-02 17:11:03 | |
 0000056701-18-000044-xbrl.zip | 89342 | 2018-11-02 17:11:03 |
| FilingSummary.xml | 27196 | 2018-11-02 17:11:03 |
| Financial_Report.xlsx | 43594 | 2018-11-02 17:11:03 |
| fy19q110-q.htm | 521970 | 2018-11-02 17:11:03 |
| koss-20180930.xml | 543327 | 2018-11-02 17:11:03 |
| koss-20180930.xsd | 25774 | 2018-11-02 17:11:03 |
| koss-20180930_cal.xml | 57506 | 2018-11-02 17:11:03 |
| koss-20180930_def.xml | 108141 | 2018-11-02 17:11:03 |
| koss-20180930_lab.xml | 289600 | 2018-11-02 17:11:03 |
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| kossexhibit31109302018.htm | 12103 | 2018-11-02 17:11:03 |
| kossexhibit31209302018.htm | 12092 | 2018-11-02 17:11:03 |
| kossexhibit32109302018.htm | 6799 | 2018-11-02 17:11:03 |
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| report.css | 2767 | 2018-11-02 17:11:03 |
| Show.js | 1085 | 2018-11-02 17:11:03 |