v2.4.0.6
Document and Entity Information Document (USD $)
12 Months Ended
Jun. 30, 2012
Aug. 17, 2012
Dec. 31, 2011
Entity Information [Line Items]      
Entity Registrant Name KOSS CORP    
Entity Central Index Key 0000056701    
Current Fiscal Year End Date --06-30    
Entity Filer Category Smaller Reporting Company    
Document Type 10-K    
Document Period End Date Jun. 30, 2012    
Document Fiscal Year Focus 2012    
Document Fiscal Period Focus Q4    
Amendment Flag false    
Entity Common Stock, Shares Outstanding   7,382,706  
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Public Float     $ 11,497,395