CONDENSED CONSOLIDATED STATEMENT OF EQUITY (Unaudited) - 6 months ended Jun. 30, 2017 - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Treasury Stock	Accumulated Deficit	Accumulated Other Comprehensive Income	Noncontrolling Interest
Beginning Balances at Dec. 31, 2016	$ 3,933	$ 11	$ 400,266	$ (6,708)	$ (391,509)	$ 2,053	$ (180)
Beginning Balances (in shares) at Dec. 31, 2016	11,109	11,109
Net loss	$ (2,581)				(2,591)		10
Other comprehensive loss	140					143	(3)
Issuance of common stock in connection with public offering	12,553	$ 3	12,550
Issuance of common stock in connection with public offering (shares)		2,845
Issuance of warrants	2,319		2,319
Issuance of common stock in connection with vesting of stock awards (shares)		149
Stock-based compensation	1,252		1,252
Shares withheld in payment of taxes in connection with net share settlement of restricted stock units	(154)			(154)
Shares withheld in payment of taxes in connection with net share settlement of restricted stock units (Shares)		(30)
Cancellation of reacquired warrants from extinguishment of debt	(1,282)		(1,282)
Ending Balances at Jun. 30, 2017	$ 16,180	$ 14	$ 415,105	$ (6,862)	$ (394,100)	$ 2,196	$ (173)
Ending Balances (in shares) at Jun. 30, 2017	14,073	14,073