Earnings (Loss) Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Computation of basic and diluted earnings (loss) per common share [Abstract]
Income (loss) from continuing operations	$ 2,604	$ (1,583)	$ 3,926	$ (3,210)
Income (loss) from discontinued operations	(6,738)	87	(6,605)	107
Net loss	$ (4,134)	$ (1,496)	$ (2,679)	$ (3,103)
Weighted average shares - Basic (in shares)	26,302	25,880	26,228	25,824
Effect of dilutive stock options (in shares)	52	0	60	0
Adjusted weighted average shares and assumed conversions - Diluted (in shares)	26,354	25,880	26,288	25,824
Basic [Abstract]
Income (loss) from continuing operations (in dollars per share)	$ 0.10	$ (0.06)	$ 0.15	$ (0.12)
Income (loss) from discontinued operations (in dollars per share)	$ (0.26)	$ 0	$ (0.25)	$ 0
Net loss per common share (in dollars per share)	$ (0.16)	$ (0.06)	$ (0.10)	$ (0.12)
Diluted [Abstract]
Income (loss) from continuing operations (in dollars per share)	$ 0.10	$ (0.06)	$ 0.15	$ (0.12)
Income (loss) from discontinued operations (in dollars per share)	$ (0.26)	$ 0	$ (0.25)	$ 0
Net loss per common share (in dollars per share)	$ (0.16)	$ (0.06)	$ (0.10)	$ (0.12)
Potentially dilutive outstanding stock options excluded from the computation of diluted earnings per share [Abstract]
Anti-dilutive options (in shares)		125		137
Stock Options [Member]
Potentially dilutive outstanding stock options excluded from the computation of diluted earnings per share [Abstract]
Anti-dilutive options (in shares)	1,386	1,530	1,475	1,492
Exercise price range, minimum (in dollars per share)	$ 11.52	$ 11.71	$ 11.52	$ 11.71
Exercise price range, maximum (in dollars per share)	$ 21.08	$ 21.08	$ 21.08	$ 21.08