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, 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]
Net loss	(5,338)
Balance at Jun. 30, 2019	(2,511)	$ 65	(4,748)	34,094	(31,922)
Balance, shares at Jun. 30, 2019		10,869,530				3,478	381
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
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Conversion of Series E Preferred stock for common stock	3
Conversion of Series E Preferred stock for common stock (in shares)		107,846				(10)
Accrued dividend	(357)		0		(357)
Share based compensation	241		241
Net loss	(2,780)				(2,780)
Balance at Jun. 30, 2019	(2,511)	$ 65	(4,748)	34,094	(31,922)
Balance, shares at Jun. 30, 2019		10,869,530				3,478	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
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]
Net loss	(2,744)
Balance at Jun. 30, 2020	(13,097)	$ 65	(4,659)	34,333	(42,836)
Balance, shares at Jun. 30, 2020		10,869,530				3,478	361
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
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accrued dividend	(382)				(382)
Adjustments to Additional Paid in Capital, Convertible Debt with Conversion Feature	50		50
Share based compensation	(26)		(26)
Net loss	(906)				(906)
Balance at Jun. 30, 2020	$ (13,097)	$ 65	$ (4,659)	$ 34,333	$ (42,836)
Balance, shares at Jun. 30, 2020		10,869,530				3,478	361