Intangible Assets (Tables)

6 Months Ended

Dec. 31, 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 December 31, 2013 and June 30, 2013:

	December 31, 2013			June 30, 2013
Patents	$	7,310		$	7,198
Customer relationships and technology		2,051			2,051
		9,361			9,249
Accumulated amortization		(5,022	)		(4,634	)
Total	$	4,339		$	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 December 31, 2013, the estimated future amortization expense is as follows:

	Estimated Future Amortization Expense
Six months ending June 30, 2014	$	440
Fiscal year ending June 30, 2015		827
Fiscal year ending June 30, 2016		651
Fiscal year ending June 30, 2017		512
Fiscal year ending June 30, 2018		390
Fiscal year ending June 30, 2019		377
Thereafter		1,142
Total	$	4,339