Intangible Assets (Tables)

6 Months Ended

Dec. 31, 2012

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

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

	December 31, 2012			June 30, 2012
Patents	$	7,009		$	6,934
Customer relationships and technology		2,163			2,163
Covenant not-to-compete		851			851
		10,023			9,948
Accumulated amortization		(5,189	)		(4,750	)
Total	$	4,834		$	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 December 31, 2012, the estimated future amortization expense is as follows:

	Estimated Future Amortization Expense
Six months ending June 30, 2013	$	600
Fiscal year ending June 30, 2014		807
Fiscal year ending June 30, 2015		796
Fiscal year ending June 30, 2016		576
Fiscal year ending June 30, 2017		394
Fiscal year ending June 30, 2018		322
Thereafter		1,339
Total	$	4,834