Intangible Assets (Tables)

3 Months Ended

Sep. 30, 2013

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 September 30, 2013 and June 30, 2013:

	September 30,			June 30,
	2013			2013
Patents	$	7,279		$	7,198
Customer relationships and technology		2,051			2,051
		9,330			9,249
Accumulated amortization		(4,833	)		(4,634	)
Total	$	4,497		$	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 September 30, 2013, the estimated future amortization expense is as follows:

	Estimated Future Amortization
	Expense
Nine months ending June 30, 2014	$	637
Fiscal year ending June 30, 2015		825
Fiscal year ending June 30, 2016		648
Fiscal year ending June 30, 2017		509
Fiscal year ending June 30, 2018		387
Fiscal year ending June 30, 2019		375
Thereafter		1,116
Total	$	4,497