CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Income Statement [Abstract]
Net sales	$ 0	$ 66	$ 0	$ 69
Cost of sales	0	81	0	198
Gross loss	0	(15)	0	(129)
Operating expenses
Sales and marketing	13	1,148	798	2,207
General and administrative	343	1,599	881	2,966
Amortization	0	17	0	35
Total operating expenses	356	2,764	1,679	5,208
Loss from operations	(356)	(2,779)	(1,679)	(5,337)
Other income (expense)
Other income	40	0	40	0
Interest expense	(417)	(1)	(827)	(1)
Amortization of debt discount	(173)	0	(278)	0
Net loss	(906)	(2,780)	(2,744)	(5,338)
Preferred Stock Dividends	(382)	(357)	(765)	(739)
Net Loss Applicable to Common Stockholders	$ (1,288)	$ (3,137)	$ (3,509)	$ (6,077)
Net loss per share – Common Shareholders - basic and diluted (in dollars per share)	$ (0.12)	$ (0.29)	$ (0.32)	$ (0.56)
Weighted average shares outstanding - basic and diluted (in shares)	10,869,530	10,860,049	10,869,530	10,811,138