Basis of Presentation (Earnings (Loss) Per Share) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Summary of computation of basic and diluted net income (loss) per share
Net income from continuing operations	$ 1,592	$ 3,694	$ 3,688	$ 4,998
Net income from discontinued operations		2,397	0	2,588
Net income:	$ 1,592	$ 6,091	$ 3,688	$ 7,586
Shares used to compute basic income per share	20,738,299	20,258,618	20,668,110	20,223,634
Dilutive potential common shares:
Restricted stock	29,029	46,391	44,815	35,864
Stock options	1,012,706	122,351	1,063,200	18,265
Shares used to compute diluted income per share	21,780,034	20,427,360	21,776,125	20,277,763
Basic per share amounts:
Income (loss) from continuing operations (in usd per share)	$ 0.08	$ 0.18	$ 0.18	$ 0.25
Income from discontinued operations (in usd per share)	$ 0.00	$ 0.12	$ 0.00	$ 0.13
Net income (loss) (in usd per share)	$ 0.08	$ 0.30	$ 0.18	$ 0.38
Diluted per share amounts:
Income (loss) from continuing operations (in usd per share)	$ 0.07	$ 0.18	$ 0.17	$ 0.24
Income from discontinued operations (in usd per share)	$ 0.00	$ 0.12	$ 0.00	$ 0.13
Net income (loss) (in usd per share)	$ 0.07	$ 0.30	$ 0.17	$ 0.37

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