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INTEREST EXPENSE (Details) (USD $)	3 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Interest Expense [Abstract]
Interest (expense) benefit on secured credit facility	$ (4,333)	$ 587
Interest expense for tax positions related to unauthorized transactions	0	(8,193)
Interest expense	$ (4,333)	$ (7,606)

X

- Definition

Interest expense recognized during the period for tax positions related to unauthorized transactions

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	duration

X

- 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

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

X

- Details

Name:	us-gaap_InterestExpenseAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- 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

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