XML 114 R29.htm IDEA: XBRL DOCUMENT
v2.4.0.8

ACCOUNTS RECEIVABLE (Tables) | 12 Months Ended
--- | ---
Jun. 30, 2013
Receivables [Abstract] |
Change in the Allowance for Doubtful Accounts | Changes in the allowance for doubtful accounts were as follows:
Fiscal Year Ended June 30, |  | Balance, beginning of year |  | Provision charged to expense |  | Amounts written-off |  | Balance, end of year
2013 |  | $ | 31,559 |  |  | 13,561 |  |  | (1,715 | ) |  | $ | 43,405 |
2012 |  | $ | 278,828 |  |  | 135,320 |  |  | (382,589 | ) |  | $ | 31,559 |

X
- Definition Table detailing the change in the allowance for doubtful accounts balance [Table Text Block] + References No definition available. + Details
Name: | koss_ChangeInAllowanceForDoubtfulAccountsTableTextBlock
Namespace Prefix: | koss_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ReceivablesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration