Stockholders’ Equity and Earnings (Loss) per Share (Basic and Diluted Computation) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Net (loss) income (numerator):
Net (loss) income	$ (414)	$ 1,375
Net (loss) earnings per share:
Basic and diluted (usd per share)	$ (0.02)	$ 0.06
Shares (denominator):
Weighted-average number of shares outstanding - basic	24,015	24,629
Net effect of dilutive stock options, warrants and restricted stock units	0	0
Weighted-average number of shares outstanding - diluted	24,015	24,629