Consolidated Statements of Stockholders' Equity (USD $) In Thousands	Total	Common stock	Additional Paid-in Capital	Accumulated Deficit	Treasury stock
Balances at Dec. 31, 2010	$ 30,658	$ 2	$ 349,747	$ (242,327)	$ (76,764)
Balances (in shares) at Dec. 31, 2010		25,877			2,862
Increase (Decrease) in Stockholders' Equity
Stock-based compensation to employees and directors	1,708		1,708
Common stock issued upon vesting of restricted stock (in shares)		314
Purchase of treasury stock	(1,600)				(1,600)
Purchase of treasury stock (in shares)					98
Lapse of rescission rights of redeemable common stock (Note 9)	473		473
Lapse of rescission rights of redeemable common stock (Note 9) (in shares)		39
Deemed dividend related to redeemable common stock (Note 9)	(12)		(12)
Net loss	(8,242)			(8,242)
Balances at Jun. 30, 2011	$ 22,985	$ 2	$ 351,916	$ (250,569)	$ (78,364)
Balances (in shares) at Jun. 30, 2011		26,230			2,960

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