STOCK REPURCHASE PROGRAM (Narrative) (Details) - Koss Stock Repurchase Program [Member] - USD ($) |
12 Months Ended | 375 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Apr. 30, 1995 |
|
| Share Repurchase Program [Line Items] | ||||
| Stock repurchase program, amount authorized | $ 45,500,000 | $ 45,500,000 | $ 2,000,000 | |
| Payments for repurchase of common stock | $ 0 | $ 0 | $ 43,360,247 | |