Condensed Consolidated Statements of Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Deficit [Member]	Total
Beginning Balance at Dec. 31, 2017		$ 86,247	$ (144,946)	$ (58,699)
Beginning Balance, Shares at Dec. 31, 2017	1,514,899
Stock-based compensation		364		364
Issuance of common stock		79,198		79,198
Issuance of common stock, Shares	11,562,569
Net loss			(5,253)	(5,253)
Ending Balance at Mar. 31, 2018		165,808	(150,198)	15,610
Ending Balance, Shares at Mar. 31, 2018	13,077,468
Beginning Balance at Dec. 31, 2018		171,273	(215,045)	(43,772)
Beginning Balance, Shares at Dec. 31, 2018	13,172,179
Stock-based compensation		122		122
Forfeiture of restricted stock
Forfeiture of restricted stock, shares	(10,417)
Debt extinguishment		7,264		7,264
Issuance of warrant		9		9
Net loss			(2,799)	(2,799)
Ending Balance at Mar. 31, 2019		$ 178,668	$ (217,844)	$ (39,176)
Ending Balance, Shares at Mar. 31, 2019	13,161,762