Condensed Consolidated Statements of Stockholders' Equity - 9 months ended Sep. 30, 2017 - USD ($) $ in Thousands	Total	Common Stock	Treasury Stock	Additional Paid In Capital	Retained Deficit	Accumulated Other Comp. Loss
Beginning balance (in shares) at Dec. 31, 2016	29,871,354	29,871,000
Beginning balance at Dec. 31, 2016	$ 67,690	$ 299	$ (7,753)	$ 237,367	$ (113,378)	$ (48,845)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense (in shares)		6,000
Share-based compensation expense	1,842			1,842
Total comprehensive income	$ 8,902				5,523	3,379
Ending balance (in shares) at Sep. 30, 2017	29,876,953	29,877,000
Ending balance at Sep. 30, 2017	$ 78,434	$ 299	$ (7,753)	$ 239,209	$ (107,855)	$ (45,466)