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IMPAIRMENT OF CAPITALIZED SOFTWARE, INVENTORY AND RELATED ITEMS (Details) (USD $)	3 Months Ended		6 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
Impairment of Capitalized Software, Inventory and Related Items [Abstract]
Product software development expenditures		$ 2,308,752koss_SoftwareDevelopmentExpendituresImpairments		$ 2,308,752koss_SoftwareDevelopmentExpendituresImpairments
Inventories		1,759,710us-gaap_InventoryWriteDown		1,759,710us-gaap_InventoryWriteDown
Product design costs		263,503koss_Productdesigncostsandassumedliabilities		263,503koss_Productdesigncostsandassumedliabilities
Tooling		203,782us-gaap_TangibleAssetImpairmentCharges		203,782us-gaap_TangibleAssetImpairmentCharges
Impairment of capitalized software, inventory and related items	$ 0koss_Capitalizedsoftwareinventoryandrelateditemsimpairmentwritedown	$ 4,535,747koss_Capitalizedsoftwareinventoryandrelateditemsimpairmentwritedown	$ 0koss_Capitalizedsoftwareinventoryandrelateditemsimpairmentwritedown	$ 4,535,747koss_Capitalizedsoftwareinventoryandrelateditemsimpairmentwritedown

X

- Definition

Impairment/write-down of capitalized software, inventory, product design costs & assumed liabilities and tooling

+ References

No definition available.

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- Definition

Product design costs and assumed liabilities to wrap up the current architecture design

+ References

No definition available.

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- Definition

Software Development Expenditures, Impairments

+ References

No definition available.

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X

- Definition

Charge to cost of goods sold that represents the reduction of the carrying amount of inventory, generally attributable to obsolescence or market conditions.

+ 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 210.5-03.2)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 330

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=28360613&loc=d3e4542-108314

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- Definition

The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2921-110230

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