IMPAIRMENT OF CAPITALIZED SOFTWARE, INVENTORY AND RELATED ITEMS (Details) (USD $)	3 Months Ended	9 Months Ended
Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014
Impairment of Capitalized Software, Inventory and Related Items [Abstract]
Product software development expenditures				$ 2,308,752
Inventories				1,759,710us-gaap_InventoryWriteDown
Product design costs				263,503
Tooling				203,782us-gaap_TangibleAssetImpairmentCharges
Impairment of capitalized software, inventory and related items	$ 0	$ 0	$ 0	$ 4,535,747

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

No definition available.

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

- Details

Name:	koss_ImpairmentofCapitalizedSoftwareInventoryandRelatedItemsAbstract
Namespace Prefix:	koss_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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

- Definition

Software Development Expenditures, Impairments

+ References

No definition available.

+ Details

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

- 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

+ Details

Name:	us-gaap_InventoryWriteDown
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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

+ Details

Name:	us-gaap_TangibleAssetImpairmentCharges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration