CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (Unaudited) (USD $) In Thousands, unless otherwise specified	Total	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Treasury Stock
Stockholders' Equity Attributable to Parent at Dec. 31, 2011	$ 116,080	$ 13	$ 133,939	$ (17,457)	$ (415)
BALANCE, Beginning period (in shares) at Dec. 31, 2011		12,867
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense (in shares)		0
Stock-based compensation expense	680		680	0	0
Restricted stock unit vesting (in shares)		28
Restricted stock unit vesting	0		0	0	0
Restricted stock grants (in shares)		0
Restricted stock grants	0		0	0	0
Purchase of treasury shares (in shares)		(5)
Purchase of treasury shares	(14)		0	0	(14)
Net loss	(10,230)	0	0	(10,230)	0
Stockholders' Equity Attributable to Parent at Mar. 31, 2012	106,516	13	134,619	(27,687)	(429)
BALANCE, Ending period (in shares) at Mar. 31, 2012		12,890
Stockholders' Equity Attributable to Parent at Dec. 31, 2012	92,524	13	136,451	(43,196)	(744)
BALANCE, Beginning period (in shares) at Dec. 31, 2012	13,358	13,358
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense (in shares)		0
Stock-based compensation expense	758		758	0	0
Restricted stock unit vesting (in shares)		12
Restricted stock unit vesting	0		0	0	0
Restricted stock grants (in shares)		5
Restricted stock grants	0		0	0	0
Purchase of treasury shares (in shares)		(96)
Purchase of treasury shares	(1,280)		0	0	(1,280)
Net loss	(14,364)	0	0	(14,364)	0
Stockholders' Equity Attributable to Parent at Mar. 31, 2013	$ 77,638	$ 13	$ 137,209	$ (57,560)	$ (2,024)
BALANCE, Ending period (in shares) at Mar. 31, 2013	13,279	13,279