Other Intangible Assets, net (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Cost	$ 7,132	$ 7,132
Accumulated amortization	(5,904)	(5,671)
Total	1,228	1,461
Developed Technology Rights [Member]
Cost	1,974	1,974
Accumulated amortization	(1,700)	(1,585)
Total	274	389
Customer Relationships [Member]
Cost	5,158	5,158
Accumulated amortization	(4,204)	(4,086)
Total	$ 954	$ 1,072