Consolidated Statement of Stockholders' Equity (Unaudited) - 3 months ended Mar. 31, 2017 - USD ($) $ in Thousands	Total	Common Stock	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	Additional Paid-In Capital	Retained Earnings
Balance, December 31, 2016, shares (in shares) at Dec. 31, 2016	28,405,850	28,405,850
Balance, December 31, 2016, Treasury stock, shares (in shares) at Dec. 31, 2016	(711,231)		(711,231)
Balance, December 31, 2016, amount at Dec. 31, 2016	$ 226,204	$ 283	$ (6,540)	$ (382)	$ 171,079	$ 61,764
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	$ 350				350
Exercise of stock options (in shares)	103,855	103,855
Exercise of stock options	$ 623	$ 1			622
Issuance of restricted stock (in shares)		0
Issuance of restricted stock	0	$ 0			0
Cash flow hedge (net of tax)	196			196
Forfeiture of restricted stock (in shares)		(7,005)
Net income	$ (1,808)					(1,808)
Balance, March 31, 2017, shares (in shares) at Mar. 31, 2017	28,502,700
Balance, March 31, 2017, Treasury stock, shares (in shares) at Mar. 31, 2017	(711,231)		(711,231)
Balance, March 31, 2017, amount at Mar. 31, 2017	$ 226,248	$ 284	$ (6,540)	$ (186)	$ 172,051	60,639
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Deferred tax adjustment	$ 683					$ 683