Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Consolidated Statements of Income
Revenues	$ 90,474	$ 103,941	$ 167,673	$ 188,279
Cost of sales	53,847	46,444	100,716	84,962
Gross profit	36,627	57,497	66,957	103,317
Operating expenses:
Selling, general and administrative	8,273	7,014	15,250	13,838
Amortization	699	699	1,397	1,397
Total operating expenses	8,972	7,713	16,647	15,235
Operating income	27,655	49,784	50,310	88,082
Other expense:
Net interest expense	1,899	2,623	3,748	9,928
Income before income taxes	25,756	47,161	46,562	78,154
Income tax expense	6,567	7,351	11,842	8,789
Net income	$ 19,189	$ 39,810	$ 34,720	$ 69,365
Net income per common share - Basic	$ 0.42	$ 0.89	$ 0.77	$ 1.55
Net income per common share - Diluted	$ 0.41	$ 0.84	$ 0.73	$ 1.48
Weighted average number of shares outstanding - Basic	45,339,570	44,960,464	45,319,155	44,870,642
Weighted average number of shares outstanding - Diluted	47,297,419	47,152,257	47,305,196	46,974,441