STOCK REPURCHASE PROGRAM (Details) - Jun. 30, 2015 - USD ($)	Total
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

The amount authorized by an entity's Board of Directors under a stock repurchase plan, per repurchase instance

No definition available.

Name:	koss_StockRepurchaseProgramMaximumAmountBoardWillApprovePerRepurchase
Namespace Prefix:	koss_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration