Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - 3 months ended Mar. 31, 2017 - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Accumulated Deficit [Member]	Total
Balance at Dec. 31, 2016	$ 24	$ 315,980	$ (5)	$ (300,501)	$ 15,498
Balance, shares at Dec. 31, 2016	24,202,921
Equity-based compensation		52			52
Equity-based compensation, shares	40,105
Redeemable warrants		(734)			(734)
Common stock issuance, net of costs	$ 2	873			875
Common stock issuance, net of costs, shares	1,818,185
Stock issued for accounts payable		67			67
Stock issued for accounts payable, shares	125,787
Net comprehensive income (loss)			11	(2,821)	(2,810)
Balance at Mar. 31, 2017	$ 26	$ 316,238	$ 6	$ (303,322)	$ 12,948
Balance, shares at Mar. 31, 2017	26,186,998