Other Intangible Assets, net (Tables)

3 Months Ended

Mar. 31, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

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

Information about other intangible assets follows:

	Other Intangible Assets
	Developed Technology			Customer Relationships			Total
Balances at March 31, 2013
Cost	$	1,755		$	4,729		$	6,484
Accumulated amortization		(1,714	)		(4,255	)		(5,969	)
	$	41		$	474		$	515
Balances at December 31, 2012
Cost	$	1,755		$	4,729		$	6,484
Accumulated amortization		(1,707	)		(4,229	)		(5,936	)
	$	48		$	500		$	548