Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Net sales	$ 29,452	$ 26,362	$ 81,706	$ 80,263
Cost of Goods Sold	21,411	24,400	68,519	72,336
Gross Profit	8,041	1,962	13,187	7,927
Operating Expenses
Selling Expenses	449	594	1,741	1,945
General and Administrative Expenses	2,045	2,480	7,247	6,654
Research and Development	141	0	348	0
Restructuring	23	0	319	0
Loss on Abandonment of Intangible Asset	560	0	560	0
Gain on Sale of Assets	(93)	(3,821)	(176)	(3,821)
Total Operating Expenses	3,125	(747)	10,039	4,778
Income From Operations	4,916	2,709	3,148	3,149
Other Expense
Interest Expense	(112)	(126)	(314)	(526)
Income Before Income Taxes	4,804	2,583	2,834	2,623
Income Tax Expense	1,247	612	646	638
Net Income	$ 3,557	$ 1,971	$ 2,188	$ 1,985
Net Income Per Common Share - Basic (in dollars per share)	$ 1.33	$ 0.74	$ 0.82	$ 0.75
Weighted Average Number of Common Shares Outstanding - Basic (in shares)	2,665,682	2,657,530	2,662,066	2,657,530
Net Income Per Common Share - Diluted (in dollars per share)	$ 1.24	$ 0.73	$ 0.78	$ 0.74
Weighted Average Number of Common Shares Outstanding - Diluted (in shares)	2,880,073	2,703,029	2,806,958	2,670,984
Other Comprehensive Income
Foreign Currency Translation Gain (Loss)	$ (5)	$ 96	$ 20	$ 54
Comprehensive Income, Net of Tax	$ 3,552	$ 2,067	$ 2,208	$ 2,039