UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Statement [Abstract]
Net Sales	$ 15,280	$ 15,407	$ 47,033	$ 45,812
Cost of Sales	14,934	15,424	44,693	44,085
Gross Profit	346	(17)	2,340	1,727
Selling and Marketing	1,669	1,827	5,738	7,149
General and Administrative	3,622	4,623	11,767	16,341
Settlement Expense	0	0	0	430
Research and Product Development	1,745	1,475	5,183	4,930
Operating Loss	(6,690)	(7,942)	(20,348)	(27,123)
Other Income (Expense)
Realized Gain on Investments	4	6	8	24
Warrant Modification Expense	0	0	(837)	0
Interest Expense	(666)	(16)	(1,289)	(16)
Interest Income	2	97	239	289
Total Other Income (Expense)	(660)	87	(1,879)	297
Net Loss	$ (7,350)	$ (7,855)	$ (22,227)	$ (26,826)
Basic and diluted net loss per share (in dollars per share)	$ (100)	$ (120)	$ (320)	$ (450)
Basic and diluted weighted average shares outstanding (in shares)	71,811,322,000	63,796,723,000	69,594,167,000	59,728,446,000