CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Income Statement [Abstract]
Net sales	$ 0	$ 3
Cost of sales	0	117
Gross margin	0	(114)
Operating expenses
Sales and marketing	784	1,059
General and administrative	539	1,367
Amortization	0	18
Total operating expenses	1,323	2,444
Loss from operations	(1,323)	(2,558)
Other expense
Interest expense	(410)	0
Amortization of debt discount and fees	(105)	0
Net loss	(1,838)	(2,558)
Preferred Stock Dividends	(383)	(382)
Net Loss Applicable to Common Stockholders	$ (2,221)	$ (2,940)
Net loss per share – Common Shareholders - basic and diluted (in dollars per share)	$ (0.20)	$ (0.27)
Weighted average shares outstanding - basic and diluted (in shares)	10,869,530	10,781,684