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Income Taxes (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Current:
Federal	$ 0	$ (10,786)	$ (3,602)
State	29	0	11
Foreign	74	84	43
Total Current	103	(10,702)	(3,548)
Deferred:
Federal	14	(114)	9,882
State	0	0	789
Foreign	494	1,313	770
Total Deferred	508	1,199	11,441
Provision (benefit) for income taxes	$ 611	$ (9,503)	$ 7,893

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