Other Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
Mar. 31, 2015	Mar. 31, 2014	Jun. 30, 2014
Finite-Lived Intangible Assets [Line Items]
Total cost of intangibles	$ 9,729		$ 9,701
Total accumulated amortization	(9,362)		(9,225)
Total intangible assets, net	367us-gaap_FiniteLivedIntangibleAssetsNet		476us-gaap_FiniteLivedIntangibleAssetsNet
Amortization expense	137,000us-gaap_AmortizationOfIntangibleAssets	337,000us-gaap_AmortizationOfIntangibleAssets
Purchased Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Total cost of intangibles	7,700		7,700
Total accumulated amortization	(7,700)		(7,700)
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Total cost of intangibles	1,900		1,900
Total accumulated amortization	(1,636)		(1,506)
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Total cost of intangibles	129		101
Total accumulated amortization	$ (26)		$ (19)

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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