Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Statement [Abstract]
Net sales	$ 47,562	$ 37,038
Cost of products sold	43,509	37,286
Gross margin	4,053	(248)
Selling, general and administrative expenses	5,049	5,231
Operating loss	(996)	(5,479)
Interest expense and other financing costs	709	550
Other expense, net	13	16
Loss before income taxes	(1,718)	(6,045)
Income taxes	(103)	(1,516)
Net loss	$ (1,615)	$ (4,529)
Net loss per common share - Basic	$ (0.18)	$ (0.51)
Net loss per common share - Diluted	$ (0.18)	$ (0.51)
Weighted average shares of common stock outstanding
Basic	8,946,174	8,888,815
Diluted	8,946,174	8,888,815