Earnings Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Net income (loss) (Numerator):
Net Income (Loss) Attributable to Parent	$ (9,247)	$ (2,568)
Shares (Denominator):
Weighted average common shares outstanding	42,929	42,323
Shares used in basic computation	42,929	42,323
Common shares issuable upon exercise of stock options (treasury stock method)	0	0
Shares used in diluted computation	42,929	42,323
Net income (loss) per share:
Basic	$ (0.22)	$ (0.06)
Diluted	$ (0.22)	$ (0.06)