Consolidated Income Statements - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Consolidated Income Statements
Revenues	$ 289,025	$ 325,225	$ 192,748
Cost of sales	177,518	162,332	121,084
Gross profit	111,507	162,893	71,664
Operating expenses:
Selling, general and administrative	30,542	28,591	26,566
Amortization	2,793	2,793	2,793
Total operating expenses	33,335	31,384	29,359
Operating income	78,172	131,509	42,305
Other (expense) income:
Interest expense	8,352	14,327	11,376
Other income			2,470
Total other expense	(8,352)	(14,327)	(8,906)
Income before income taxes	69,820	117,182	33,399
Income tax expense	17,573	13,381	1,140
Net income	$ 52,247	$ 103,801	$ 32,259
Net income per common share - Basic	$ 1.15	$ 2.31	$ 0.74
Net income per common share - Diluted	$ 1.10	$ 2.20	$ 0.69
Weighted average number of shares outstanding - Basic	45,385,433	44,990,104	43,765,443
Weighted average number of shares outstanding - Diluted	47,338,231	47,109,018	46,640,822