CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS’ EQUITY (DEFICIT) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Additional Paid-in Capital Warrants	Accumulated Deficit	Series E Preferred Stock Preferred Stock	Series F Preferred Stock Preferred Stock
Balance at Dec. 31, 2018	$ 2,927	$ 65	$ (5,384)	$ 34,094	$ (25,848)
Balance, shares at Dec. 31, 2018		10,761,684				3,488	381
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accrued dividend	(382)				(382)
Share based compensation	395		395
Net loss	(2,558)				(2,558)
Balance at Mar. 31, 2019	382	$ 65	(4,989)	34,094	(28,788)
Balance, shares at Mar. 31, 2019		10,761,684				3,488	381
Balance at Dec. 31, 2019	(9,887)	$ 65	(4,719)	34,094	(39,327)
Balance, shares at Dec. 31, 2019		10,869,530				3,478	361
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accrued dividend	(383)				(383)
Share based compensation	36		36
Issuance of warrants with notes payable, net of discount	239			239
Net loss	(1,838)				(1,838)
Balance at Mar. 31, 2020	$ (11,833)	$ 65	$ (4,683)	$ 34,333	$ (41,548)
Balance, shares at Mar. 31, 2020		10,869,530				3,478	361