Consolidated Statements of Stockholders' Equity (unaudited) - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Retained Earnings (Accumulated Deficit)	Total
Balance at Dec. 31, 2021	$ 448	$ 116,312	$ (45,821)	$ 70,939
Balance (in shares) at Dec. 31, 2021	44,758,925
Issuance of common stock upon exercise of stock options	$ 3	179		182
Issuance of common stock upon exercise of stock options (in shares)	311,443
Excess tax benefits from exercise of stock options		(83)		(83)
Stock compensation expense		830		830
Net income			98,721	98,721
Balance at Sep. 30, 2022	$ 451	117,238	52,900	170,589
Balance (in shares) at Sep. 30, 2022	45,070,368
Balance at Dec. 31, 2021	$ 448	116,312	(45,821)	70,939
Balance (in shares) at Dec. 31, 2021	44,758,925
Balance at Dec. 31, 2022	$ 453	116,442	57,980	174,875
Balance (in shares) at Dec. 31, 2022	45,287,619
Balance at Jun. 30, 2022	$ 450	116,943	23,544	140,937
Balance (in shares) at Jun. 30, 2022	45,020,087
Issuance of common stock upon exercise of stock options	$ 1	58		59
Issuance of common stock upon exercise of stock options (in shares)	50,281
Excess tax benefits from exercise of stock options		(10)		(10)
Stock compensation expense		247		247
Net income			29,356	29,356
Balance at Sep. 30, 2022	$ 451	117,238	52,900	170,589
Balance (in shares) at Sep. 30, 2022	45,070,368
Balance at Dec. 31, 2022	$ 453	116,442	57,980	174,875
Balance (in shares) at Dec. 31, 2022	45,287,619
Issuance of common stock upon exercise of stock options	$ 2	37		39
Issuance of common stock upon exercise of stock options (in shares)	196,706
Excess tax benefits from exercise of stock options		(693)		(693)
Stock compensation expense		2,061		2,061
Net income			48,302	48,302
Balance at Sep. 30, 2023	$ 455	117,847	106,282	224,584
Balance (in shares) at Sep. 30, 2023	45,484,325
Balance at Jun. 30, 2023	$ 454	118,296	92,700	211,450
Balance (in shares) at Jun. 30, 2023	45,375,598
Issuance of common stock upon exercise of stock options	$ 1	1		2
Issuance of common stock upon exercise of stock options (in shares)	108,727
Excess tax benefits from exercise of stock options		(690)		(690)
Stock compensation expense		240		240
Net income			13,582	13,582
Balance at Sep. 30, 2023	$ 455	$ 117,847	$ 106,282	$ 224,584
Balance (in shares) at Sep. 30, 2023	45,484,325