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|---|---|---|
 0001437749-20-001491-index-headers.html | 2020-01-31 16:37:01 | |
| 0001437749-20-001491-index.html | 2020-01-31 16:37:01 | |
| 0001437749-20-001491.txt | 2020-01-31 16:37:01 | |
 0001437749-20-001491-xbrl.zip | 52308 | 2020-01-31 16:37:01 |
| ex_168654.htm | 12732 | 2020-01-31 16:37:01 |
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| ex_168656.htm | 5843 | 2020-01-31 16:37:01 |
| ex_168657.htm | 5832 | 2020-01-31 16:37:01 |
| FilingSummary.xml | 18303 | 2020-01-31 16:37:01 |
| Financial_Report.xlsx | 30836 | 2020-01-31 16:37:01 |
| koss-20191231.xml | 444208 | 2020-01-31 16:37:01 |
| koss-20191231.xsd | 22929 | 2020-01-31 16:37:01 |
| koss-20191231_cal.xml | 28747 | 2020-01-31 16:37:01 |
| koss-20191231_def.xml | 150234 | 2020-01-31 16:37:01 |
| koss-20191231_lab.xml | 136334 | 2020-01-31 16:37:01 |
| koss-20191231_pre.xml | 168084 | 2020-01-31 16:37:01 |
| koss20191231b_10q.htm | 560117 | 2020-01-31 16:37:01 |
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| R8.htm | 74449 | 2020-01-31 16:37:01 |
| R9.htm | 15016 | 2020-01-31 16:37:01 |
| report.css | 2767 | 2020-01-31 16:37:01 |
| Show.js | 1085 | 2020-01-31 16:37:01 |