CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Treasury Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Beginning balance (in shares) at Dec. 31, 2021		38,820,222
Beginning balance at Dec. 31, 2021	$ 143,040	$ 4	$ (5,566)	$ 66,875	$ 81,803	$ (76)
Beginning balance (in shares) at Dec. 31, 2021			(341,522)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	11,654				11,654
Issuance of common stock:
Exercise of stock options, net of shares withheld for taxes (in shares)		43,725
Exercise of stock options, net of shares withheld for taxes	561			561
Restricted stock units and awards, net of shares withheld for taxes (in shares)		20,787
Restricted stock units and awards, net of shares withheld for taxes	(273)			(273)
Fully vested shares (in shares)		1,002
Share-based compensation	1,268			1,268
Adjustment from foreign currency translation, net	$ 112					112
Acquisition of treasury stock, at cost (in shares)	(224,388)		(224,388)
Acquisition of treasury stock, at cost	$ (3,628)		$ (3,628)
Ending balance (in shares) at Mar. 31, 2022		38,885,736
Ending balance at Mar. 31, 2022	$ 152,734	$ 4	$ (9,194)	68,431	93,457	36
Ending balance (in shares) at Mar. 31, 2022			(565,910)
Beginning balance (in shares) at Dec. 31, 2022	36,630,970	39,453,236
Beginning balance at Dec. 31, 2022	$ 149,906	$ 4	$ (59,300)	70,210	139,134	(142)
Beginning balance (in shares) at Dec. 31, 2022	(2,822,266)		(2,822,266)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 11,762				11,762
Issuance of common stock:
Exercise of stock options, net of shares withheld for taxes (in shares)		57,250
Exercise of stock options, net of shares withheld for taxes	723			723
Restricted stock units and awards, net of shares withheld for taxes (in shares)		44,905
Restricted stock units and awards, net of shares withheld for taxes	(834)			(834)
Fully vested shares (in shares)		826
Share-based compensation	1,698			1,698
Adjustment from foreign currency translation, net	$ 182					182
Acquisition of treasury stock, at cost (in shares)	(316,459)		(316,459)
Acquisition of treasury stock, at cost	$ (7,584)		$ (7,584)
Ending balance (in shares) at Mar. 31, 2023	36,417,492	39,556,217
Ending balance at Mar. 31, 2023	$ 155,853	$ 4	$ (66,884)	$ 71,797	$ 150,896	$ 40
Ending balance (in shares) at Mar. 31, 2023	(3,138,725)		(3,138,725)