Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Net sales	$ 122,984	$ 84,643	$ 350,837	$ 230,766
Cost of sales	97,866	72,280	286,853	200,090
Gross profit	25,118	12,363	63,984	30,676
Selling, general, and administrative expense	10,654	5,562	30,149	17,729
Operating income	14,464	6,801	33,835	12,947
Other income	11	171	56	260
Interest expense	(964)	(112)	(2,393)	(687)
Income before income taxes	13,511	6,860	31,498	12,520
Income tax expense	3,555	1,914	8,310	3,268
Net income	$ 9,956	$ 4,946	$ 23,188	$ 9,252
us-gaap_EarningsPerShareAbstract
Basic (in dollars per share)	$ 1.00	$ 0.50	$ 2.34	$ 0.94
Diluted (in dollars per share)	$ 0.99	$ 0.50	$ 2.32	$ 0.93
Shares used in per share calculations:
Basic (in shares)	9,927	9,871	9,909	9,849
Diluted (in shares)	10,010	9,921	9,988	9,918