Intangible Assets (Tables)

9 Months Ended

Mar. 31, 2014

Disclosure Text Block [Abstract]

Schedule of Finite-Lived Intangible Assets [Table Text Block]

The following table sets forth the components of intangible assets, as of March 31, 2014 and June 30, 2013:

	March 31,			June 30,
	2014			2013
Patents	$	7,299		$	7,198
Customer relationships and technology		2,051			2,051
		9,350			9,249
Accumulated amortization		(5,162	)		(4,634	)
Total	$	4,188		$	4,615

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Based on the carrying amount of the intangible assets as of March 31, 2014, the estimated future amortization expense is as follows:

	Estimated Future Amortization
	Expense
Three months ending June 30, 2014	$	318
Fiscal year ending June 30, 2015		834
Fiscal year ending June 30, 2016		658
Fiscal year ending June 30, 2017		519
Fiscal year ending June 30, 2018		397
Fiscal year ending June 30, 2019		384
Thereafter		1,078
Total	$	4,188