Condensed Consolidated Statement of Stockholders' Equity - 9 months ended Sep. 30, 2016 - USD ($) shares in Thousands, $ in Thousands	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss	Non-controlling Interests	Total
Balance at Dec. 31, 2015	$ 4	$ 197,612	$ (85,176)	$ (1,160)	$ 755	$ 112,035
Balance (in shares) at Dec. 31, 2015	37,325					37,325
Issuance of common stock under stock incentive plans		1,981				$ 1,981
Issuance of common stock under stock incentive plans (in shares)	947
Shares withheld for taxes		(2,112)				(2,112)
Stock-based compensation expense		10,243				10,243
Non-controlling interest distributions					(286)	(286)
Cumulative effect of a change in accounting principle		94	(94)
Net loss			(22,959)		180	(22,779)
Other comprehensive income ( loss)				292	(79)	213
Balance at Sep. 30, 2016	$ 4	$ 207,818	$ (108,229)	$ (868)	$ 570	$ 99,295
Balance (in shares) at Sep. 30, 2016	38,272					38,272