Condensed Consolidated Statements of Stockholders' Equity - 3 months ended Mar. 31, 2017 - USD ($) shares in Thousands, $ in Thousands	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss	Non-controlling Interest	Total
Balance at Dec. 31, 2016	$ 4	$ 211,275	$ (112,601)	$ (870)	$ 738	$ 98,546
Balance (in shares) at Dec. 31, 2016	38,562					38,562
Issuance of common stock under stock incentive plans		439				$ 439
Issuance of common stock under stock incentive plans (in shares)	389
Shares withheld for taxes		(1,562)				(1,562)
Stock-based compensation expense		3,358				3,358
Non-controlling interest distributions					(125)	(125)
Net loss			(6,880)		107	(6,773)
Other comprehensive income (loss)				62	(16)	46
Balance at Mar. 31, 2017	$ 4	$ 213,510	$ (119,481)	$ (808)	$ 704	$ 93,929
Balance (in shares) at Mar. 31, 2017	38,951					38,951