Unaudited Condensed Consolidated Statement of Equity - 3 months ended Mar. 31, 2018 - USD ($) $ in Thousands	Total	Common Stock	Treasury Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings (Accumulated Deficit)	Non-controlling Interests
Beginning balance (in shares) at Dec. 31, 2017		60,623,000	3,621,000
Beginning balance at Dec. 31, 2017	$ 265,258	$ 6	$ (33,064)	$ 336,067	$ (884)	$ (37,225)	$ 358
Increase (Decrease) in Equity [Roll Forward]
Net income	67					67
Foreign currency translation adjustment	(179)				(179)
Stock issued under employee stock purchase plan (in shares)			(28,000)
Stock issued under employee stock purchase plan	$ 146			146
Restricted stock granted (in shares)	538,305	538,000
Restricted stock forfeited (in shares)			5,000
Treasury stock purchased (in shares)			1,000
Treasury stock purchased	$ (3)		$ (3)
Stock compensation expense	1,924			1,924
Ending balance (in shares) at Mar. 31, 2018		61,161,000	3,599,000
Ending balance at Mar. 31, 2018	$ 267,213	$ 6	$ (33,067)	$ 338,137	$ (1,063)	$ (37,158)	$ 358