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INTEREST EXPENSE (Details) (USD $) | 12 Months Ended
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Jun. 30, 2014 | Jun. 30, 2013
Interest Expense [Abstract] |  |
Interest benefit (expense) on secured credit facility | $ 587 | $ (44,993)
Interest expense for tax positions related to unauthorized transactions | (24,575) | (44,014)
Interest reversals for tax positions related to unauthorized transactions | 73,725 | 145,488
Other interest expense | (148) | (391)
Interest reversal | $ (49,589) | $ (56,090)

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- Definition Interest expense recognized during the period for tax positions related to unauthorized transactions + References No definition available. + Details
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- Definition The cost of borrowed funds accounted for as interest that was charged against earnings during the period. In addition, this element represents the total of interest expense computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity. + References No definition available. + Details
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- Definition Interest expense reversed during the period for tax positions related to unauthorized transactions + References No definition available. + Details
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Namespace Prefix: | koss_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Details
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- Definition Amount of the cost of borrowed funds accounted for as interest expense for debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 8 -Article 5 + Details
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- Definition Interest expense on all other items not previously classified. For example, includes dividends associated with redeemable preferred stock of a subsidiary that is treated as a liability in the parent's consolidated balance sheet. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4D -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624177-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph -4 -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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