XML 40 R27.htm IDEA: XBRL DOCUMENT
v3.5.0.2

ACCOUNTS RECEIVABLE (Tables) | 12 Months Ended
--- | ---
Jun. 30, 2016
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 |  | Recoveries of previously written-off |  | Balance, end of year
2016 |  | $ | 26,052 |  |  | 28,514 |  |  | (447 | ) |  | 1,056 |  |  | $ | 55,175 |
2015 |  | $ | 20,501 |  |  | 25,725 |  |  | (20,174 | ) |  | — |  |  | $ | 26,052 |

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
- References No definition available. + Details
Name: | us-gaap_ReceivablesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration