Net (Loss) Income Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Basic net (loss) income per share:
Net (loss) income applicable to common shares	$ (889)	$ 175
Weighted average common shares outstanding	10,878	11,363
Basic net (loss) income per share of common stock	$ (0.08)	$ 0.02
Diluted net (loss) income per share:
Net (loss) income applicable to common shares	$ (889)	$ 175
Weighted average common shares outstanding	10,878	11,363
Dilutive effects of stock options		244
Weighted average common shares, assuming dilutive effect of stock options	10,878	11,607
Diluted net (loss) income per share of common stock	$ (0.08)	$ 0.02