UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Net Sales	$ 18,682	$ 15,137	$ 34,806	$ 30,611
Cost of Sales	16,937	15,399	33,846	30,471
Gross (Loss) Profit	1,745	(262)	960	140
Research and Product Development	926	2,416	2,494	4,224
Selling and Marketing	526	1,468	981	3,319
General and Administrative	4,775	3,677	8,592	7,602
Operating Loss	(4,482)	(7,823)	(11,107)	(15,005)
Other (Expense) Income
Realized Gain on Investments	0	(1)	4	(1)
Interest Expense	(485)	(583)	(1,021)	(1,164)
Interest Income	0	7	(4)	18
Total Other Expense	(485)	(577)	(1,021)	(1,147)
Net Loss	$ (4,967)	$ (8,400)	$ (12,128)	$ (16,152)
Basic Net Loss per Share (in dollars per share)	$ (0.56)	$ (0.99)	$ (1.40)	$ (1.90)
Diluted Net Loss per Share (in dollars per share)	$ (0.56)	$ (0.99)	$ (1.40)	$ (1.90)
Basic Weighted Average Shares Outstanding (in shares)	8,805,190	8,518,499	8,675,428	8,513,417
Diluted Weighted Average Shares Outstanding (in shares)	8,805,190	8,518,499	8,675,428	8,513,417