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v3.22.2.2

Significant Accounting Policies (Narrative) (Details) |  |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Nov. 03, 2021 USD ($) | Nov. 03, 2020 USD ($) | Dec. 31, 2021 USD ($) | Jul. 31, 2021 USD ($) | Jun. 30, 2022 USD ($) item | Jun. 30, 2021 USD ($)
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |
Other income - Net gain from life insurance benefits |  |  | $ 262,000 |  | $ 262,391 |
Income Tax Expense (Benefit) |  |  |  |  | $ 7,517 | $ 4,125
Number Of Subsidiaries | item |  |  |  |  | 2 |
Research and Development Expense |  |  |  |  | $ 285,244 | 410,602
Advertising Expense |  |  |  |  | 50,513 | 33,976
Other income |  |  |  | $ 100,000 | 362,390 | 885,505
Legal Fees |  |  |  | $ 100,000 |  |
(Benefit) provision for deferred compensation |  |  |  |  | (160,120) | 308,000
Deferred Compensation Arrangement with Individual, Distribution Paid |  |  |  |  | 71,250 | 150,000
Deferred Compensation Arrangement with Individual, Compensation Expense |  |  |  |  | $ (472,883) |
Koss Corp B.V. [Member] |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |
Ownership Percentage |  |  |  |  | 100.00% |
Koss UK [Member] |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |
Ownership Percentage |  |  |  |  | 100.00% |
Director [Member] |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |
Other income |  |  |  |  | $ 378,805 |
Former Officer [Member] |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Distribution Paid |  |  |  |  |  | $ 71,250
Deferred Compensation Arrangement with Individual, Compensation Expense |  |  |  |  | $ 472,883 |
SBA Loan [Member] |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |
Debt forgiven | $ 506,700 | $ 506,700 |  |  |  |

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