Consolidated Statement of Stockholders' Equity (USD $) In Thousands	Total	Common stock	Additional paid-in capital	Accumulated comprehensive deficit
BALANCE at Dec. 31, 2011	$ 64,860	$ 36	$ 207,927	$ (143,103)
BALANCE, Shares at Dec. 31, 2011		35,612
Exercise of common stock options, shares		32
Exercise of common stock options	16		16
Non cash compensation recognized on stock options and ESPP	37		37
Restricted stock grants, net of cancellations, shares		579
Restricted stock grants, net of cancellations	3,015		3,015
Cancellation of shares for payment of withholding tax, shares		(18)
Cancellation of shares for payment of withholding tax	(32)		(32)
Employee stock purchase plan (ESPP), shares		53
Employee stock purchase plan (ESPP)	66		66
Shares repurchased and cancelled, shares		(375)
Shares repurchased and cancelled	(753)		(753)
Comprehensive loss	(21,281)			(21,281)
BALANCE (unaudited) at Sep. 30, 2012	$ 45,928	$ 36	$ 210,276	$ (164,384)
BALANCE, Shares (unaudited) at Sep. 30, 2012		35,883