Consolidated Statements of Changes in Stockholders' Equity (USD $) In Thousands, unless otherwise specified	Total	Common stock	Additional Paid-in Capital	Accumulated Deficit	Treasury stock
Balances at Dec. 31, 2011	$ 13,237	$ 2	$ 353,368	$ (261,765)	$ (78,368)
Balances (in shares) at Dec. 31, 2011		26,241			2,962
Increase (Decrease) in Stockholders' Equity
Net income	3,189			3,189
Stock-based compensation to employees and directors	1,643		1,643
Common stock issued upon vesting of restricted stock (in shares)		236
Purchase of treasury stock	(464)				(464)
Purchase of treasury stock (in shares)					68
Balances at Jun. 30, 2012	$ 17,605	$ 2	$ 355,011	$ (258,576)	$ (78,832)
Balances (in shares) at Jun. 30, 2012		26,477			3,030