Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - 6 months ended Jun. 30, 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		101			101
Equity-based compensation, shares	38,681
Redeemable warrants		(1,990)			(1,990)
Deemed dividends				(507)	(507)
Common stock issuance, net of costs	$ 5	2,110			2,115
Common stock issuance, net of costs, shares	4,516,205
Stock issued for accounts payable		106			106
Stock issued for accounts payable, shares	199,861
Net comprehensive income (loss)			23	(5,014)	(4,917)
Balance at Jun. 30, 2017	$ 29	$ 316,307	$ 18	$ (306,022)	$ 10,332
Balance, shares at Jun. 30, 2017	28,957,668