CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Loss, net	(Accumulated Deficit) Retained Earnings	Noncontrolling Interest in Subsidiary
Beginning balance (in shares) at Dec. 31, 2018		35,626
Beginning balance at Dec. 31, 2018	$ 218,198	$ 4	$ 303,048	$ (1,462)	$ (84,062)	$ 670
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of share options (in shares)		4
Vesting of restricted stock and performance stock awards (in shares)		176
Vesting of restricted stock	(777)		(777)
Equity compensation	531		531
Foreign currency translation adjustment, net of taxes	53			53
Net change in hedging transaction, net of taxes	(252)			(252)
Distribution to noncontrolling shareholder	(367)					(367)
Net (loss) income	(1,376)				(1,767)	391
Ending balance (in shares) at Mar. 31, 2019		35,806
Ending balance at Mar. 31, 2019	216,010	$ 4	302,802	(1,661)	(85,829)	694
Beginning balance (in shares) at Dec. 31, 2019		35,871
Beginning balance at Dec. 31, 2019	163,500	$ 4	305,643	(1,240)	(141,775)	868
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Vesting of restricted stock and performance stock awards (in shares)		221
Vesting of restricted stock	(635)		(635)
Equity compensation	927		927
Foreign currency translation adjustment, net of taxes	(78)			(78)
Distribution to noncontrolling shareholder	(544)					(544)
Net (loss) income	(1,768)				(2,089)	321
Ending balance (in shares) at Mar. 31, 2020		36,092
Ending balance at Mar. 31, 2020	$ 161,402	$ 4	$ 305,935	$ (1,318)	$ (143,864)	$ 645