Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Basic net income per share:
Net income	$ 2,049	$ 730
Weighted average common shares (in shares)	14,425	14,730
Basic net income per share (in dollars per share)	$ 0.14	$ 0.05
Diluted net income per share:
Net income	$ 2,049	$ 730
Weighted average common shares (in shares)	14,425	14,730
Effect of dilutive securities: stock options (in shares)	0	0
Diluted weighted average common shares (in shares)	14,425	14,730
Diluted net income per share (in dollars per share)	$ 0.14	$ 0.05
Anti-dilutive shares not included in computation of net income (loss) per common share (in shares)	600	425