STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Income Statement [Abstract]
Net Sales	$ 105	$ 17	$ 160	$ 34
Cost of sales	114	11	153	27
Gross profit (loss)	(9)	6	7	7
Operating expenses:
Research and development	476	721	1,746	2,517
Selling, general and administrative	2,013	2,235	7,506	7,506
Total operating expenses	2,489	2,956	9,252	10,023
Net operating loss	(2,498)	(2,950)	(9,245)	(10,016)
Other income (expense):
Interest income	1	9	8	20
Interest expense	(16)	(33)	(60)	(54)
Interest expense, related parties				(1)
Other income (expense)	13	37	19	76
Total other income (expense)	(2)	13	(33)	41
Net loss and comprehensive loss	(2,500)	(2,937)	(9,278)	(9,975)
Deemed dividend-warrant price protection adjustment	333		333
Net loss attributable to common shareholders	$ (2,833)	$ (2,937)	$ (9,611)	$ (9,975)
Loss per share atrributable to common shareholders, basic and diluted (in dollars per share)	$ (0.14)	$ (0.28)	$ (0.53)	$ (0.97)
Weighted average common shares outstanding - basic and fully diluted (in shares)	20,862,216	10,334,211	18,036,982	10,234,211