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STOCK PURCHASE AGREEMENTS, STOCK REPURCHASE PROGRAM (Details) (USD $) | 12 Months Ended
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Jun. 30, 2014
Stock Purchase Agreement Disclosure [Abstract] |
Maximum amount Board will approve per repurchase | $ 2,000,000
Authorized amount | 45,500,000
Inception to date repurchased | $ 43,360,247

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- Details
Name: | koss_StockPurchaseAgreementDisclosureAbstract
Namespace Prefix: | koss_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The total amount repurchased, inception to date, of stock for stock repurchase program + References No definition available. + Details
Name: | koss_StockRepurchaseProgramInceptionToDateRepurchased
Namespace Prefix: | koss_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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- Definition The amount authorized by an entity's Board of Directors under a stock repurchase plan, per repurchase instance + References No definition available. + Details
Name: | koss_StockRepurchaseProgramMaximumAmountBoardWillApprovePerRepurchase
Namespace Prefix: | koss_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Amount of a stock repurchase plan authorized by an entity's Board of Directors. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramAuthorizedAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration