UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Statement [Abstract]
Net Sales	$ 16,124	$ 15,473
Cost of Sales	16,910	15,072
Gross (Loss) Profit	(786)	401
Research and Product Development	1,567	1,809
Selling and Marketing	455	1,851
General and Administrative	3,818	3,923
Operating Loss	(6,626)	(7,182)
Other (Expense) Income
Realized Gain on Investments	4	0
Interest Expense	(540)	(581)
Interest Income	0	11
Total Other Expense	(536)	(570)
Net Loss	$ (7,162)	$ (7,752)
Basic Net Loss per Share (in dollars per share)	$ (0.84)	$ (0.91)
Diluted Net Loss per Share (in dollars per share)	$ (0.84)	$ (0.91)
Basic Weighted Average Shares Outstanding (in shares)	8,544,225	8,508,278
Diluted Weighted Average Shares Outstanding (in shares)	8,544,225	8,508,278