Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2013

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

The following table sets forth the components of intangible assets, as of March 31, 2013 and June 30, 2012:

	March 31,			June 30,
	2013			2012
Patents	$	7,169		$	6,934
Customer relationships and technology		2,163			2,163
Covenant not-to-compete		—			851
		9,332			9,948
Accumulated amortization		(4,549	)		(4,750	)
Total	$	4,783		$	5,198

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, 2013, the estimated future amortization expense is as follows:

	Estimated Future Amortization
	Expense
Three months ending June 30, 2013	$	271
Fiscal year ending June 30, 2014		826
Fiscal year ending June 30, 2015		815
Fiscal year ending June 30, 2016		638
Fiscal year ending June 30, 2017		499
Fiscal year ending June 30, 2018		377
Thereafter		1,357
Total	$	4,783