Income Taxes (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Current:
Federal		$ 244	$ 32
State	1	443	0
Foreign	4,402	4,933	2,461
Total current	4,403	5,620	2,493
Deferred:
Federal	866	(4,543)	0
State	93	(285)	0
Foreign	106	765	113
Total deferred	1,065	(4,332)	118
Total	$ 5,468	$ 1,557	$ 2,606