CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Treasury Stock	Retained Earnings	Total
Balance at the beginning at Dec. 31, 2022	$ 39	$ 82,431	$ (33,160)	$ 17,048	$ 66,358
Balance at the beginning (in shares) at Dec. 31, 2022	36,825,081
Exercised and vested stock-based awards		27			27
Exercised and vested stock-based awards (in shares)	66,045
Stock-based compensation expense		307			307
Warrants exercised (in shares)	10,000
Shares of common stock withheld to pay taxes on employees' equity awards		(422)			(422)
Shares of common stock withheld to pay taxes on employees' equity awards (in shares)	(22,387)
Purchase of treasury stock			(3,353)		(3,353)
Purchase of treasury stock (in shares)	(232,698)
Net income				1,569	1,569
Balance at the end at Mar. 31, 2023	$ 39	82,343	(36,513)	18,617	64,486
Balance at the end (in shares) at Mar. 31, 2023	36,646,041
Exercised and vested stock-based awards		9			9
Exercised and vested stock-based awards (in shares)	45,626
Stock-based compensation expense		660			660
Shares of common stock withheld to pay taxes on employees' equity awards	$ (3)	(124)			(127)
Shares of common stock withheld to pay taxes on employees' equity awards (in shares)	(11,224)
Purchase of treasury stock			(6,115)		(6,115)
Purchase of treasury stock (in shares)	(666,200)
Net income				3,354	3,354
Balance at the end at Jun. 30, 2023	$ 36	82,888	(42,628)	21,971	62,267
Balance at the end (in shares) at Jun. 30, 2023	36,014,243
Balance at the beginning at Dec. 31, 2023	$ 33	90,878	(71,562)	26,780	46,129
Balance at the beginning (in shares) at Dec. 31, 2023	32,933,776
Exercised and vested stock-based awards		13			13
Exercised and vested stock-based awards (in shares)	70,992
Stock-based compensation expense		734			734
Warrants exercised (in shares)	20,000
Shares of common stock withheld to pay taxes on employees' equity awards		(240)			(240)
Shares of common stock withheld to pay taxes on employees' equity awards (in shares)	(23,041)
Purchase of treasury stock	$ (1)		(13,419)		(13,420)
Purchase of treasury stock (in shares)	(1,121,835)
Excise tax on net treasury stock purchases		(126)			(126)
Net income				10	10
Balance at the end at Mar. 31, 2024	$ 32	91,259	(84,981)	26,790	33,100
Balance at the end (in shares) at Mar. 31, 2024	31,879,892
Exercised and vested stock-based awards (in shares)	47,071
Stock-based compensation expense		841			841
Shares of common stock withheld to pay taxes on employees' equity awards		(119)			(119)
Shares of common stock withheld to pay taxes on employees' equity awards (in shares)	(11,342)
Purchase of treasury stock			(2,205)		(2,205)
Purchase of treasury stock (in shares)	(189,879)
Excise tax on net treasury stock purchases		(18)			(18)
Net income				1,217	1,217
Balance at the end at Jun. 30, 2024	$ 32	$ 91,963	$ (87,186)	$ 28,007	$ 32,816
Balance at the end (in shares) at Jun. 30, 2024	31,725,742