Basis of Presentation (Earnings (Loss) Per Share) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Summary of computation of basic and diluted net income (loss) per share
Net income (loss) from continuing operations	$ 1,965	$ (194)	$ 6,963	$ (5,260)
Net income from discontinued operations			2,588	3,670
Net income (loss):	$ 1,965	$ (194)	$ 9,551	$ (1,590)
Shares used to compute basic income (loss) per share	20,357,558	19,917,676	20,268,261	19,791,793
Dilutive potential common shares:
Restricted stock	77,609		62,051
Stock options	408,575		232,310
Shares used to compute diluted income (loss) per share	20,843,742	19,917,676	20,562,622	19,791,793
Basic per share amounts:
Income (loss) from continuing operations (in usd per share)	$ 0.10	$ (0.01)	$ 0.34	$ (0.27)
Income from discontinued operations (in usd per share)			$ 0.13	$ 0.19
Net income (loss) (in usd per share)	$ 0.10	$ (0.01)	$ 0.47	$ (0.08)
Diluted per share amounts:
Income (loss) from continuing operations (in usd per share)	$ 0.09	$ (0.01)	$ 0.33	$ (0.27)
Income from discontinued operations (in usd per share)			$ 0.13	$ 0.19
Net income (loss) (in usd per share)	$ 0.09	$ (0.01)	$ 0.46	$ (0.08)