Income Taxes (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Current:
Federal	$ 0	$ 1	$ (522)
State	1	2	(28)
Foreign	921	698	352
Total Current	922	701	(198)
Deferred:
Federal	0	0	0
State	0	0	0
Foreign	96	180	(55)
Total Deferred	96	180	(55)
Provision (benefit) for income taxes	$ 1,018	$ 881	$ (253)