Consolidated Statement of Stockholders' Equity - 6 months ended Jun. 30, 2015 - USD ($) $ in Thousands	Total	Common Stock	Treasury Stock	Additional Paid-In Capital	Retained Earnings
Balance, December 31, 2014, shares at Dec. 31, 2014	27,969,783	27,969,783
Treasury stock, balance, December 31, 2014, shares at Dec. 31, 2014	(361,231)		(361,231)
Balance, December 31, 2014, amount at Dec. 31, 2014	$ 236,717	$ 279	$ (3,439)	$ 166,433	$ 73,444
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	$ 1,315			1,315
Exercise of stock options, shares	3,970	3,970
Exercise of stock options	$ 28			28
Forfeiture of restricted stock (shares)		(19,824)
Purchase of treasury stock (shares)			(350,000)
Purchase of treasury stock, amount	(3,101)		$ (3,101)
Net loss	$ (2,102)				(2,102)
Balance, June 30, 2015, shares at Jun. 30, 2015	27,953,929	27,953,929
Treasury stock, balance, June 30, 2015, shares at Jun. 30, 2015	(711,231)		(711,231)
Balance, June 30, 2015, amount at Jun. 30, 2015	$ 232,857	$ 279	$ (6,540)	$ 167,776	$ 71,342