Earnings (Loss) per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Earnings (Loss) per Share
Income (loss) from continuing operations	$ (1,128)	$ 1,279
Weighted average common shares outstanding - basic	27,668	27,210
Dilutive securities (in shares)		101
Weighted average common shares outstanding - diluted	27,668	27,311
Basic net income (loss) per common share:
Continuing (in dollars per share)	$ (0.04)	$ 0.05
Discontinued (in dollars per share)		$ (0.01)
Total (in dollars per share)	$ (0.04)	$ 0.04
Diluted net income (loss) per common share:
Continuing (in dollars per share)	$ (0.04)	$ 0.05
Discontinued (in dollars per share)		$ (0.01)
Total (in dollars per share)	$ (0.04)	$ 0.04
Antidilutive securities not included:
Options and RSUs (in shares)	2,619	2,405