CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Beginning balance, value at Dec. 31, 2020	$ 72,926	$ 69,007	$ (8,571)	$ 133,362
Beginning balance, shares at Dec. 31, 2020	22,737
Common stock issued upon exercise of options and warrants	$ 6,048			6,048
Common stock issued upon exercise of options and warrants, shares	2,291
Repurchase of common stock	$ (25,676)			(25,676)
Repurchase of common stock, shares	(3,884)
Other comprehensive income (loss)			6,949	6,949
Stock-based compensation	2,000			2,000
Net income		47,524		47,524
Ending balance, value at Dec. 31, 2021	$ 55,298	116,531	(1,622)	170,207
Ending balance, shares at Dec. 31, 2021	21,144
Common stock issued upon exercise of options and warrants	$ 15,277			15,277
Common stock issued upon exercise of options and warrants, shares	3,127
Repurchase of common stock	$ (46,096)			(46,096)
Repurchase of common stock, shares	(4,140)
Other comprehensive income (loss)			(1,409)	(1,409)
Stock-based compensation	4,427			4,427
Net income		85,983		85,983
Ending balance, value at Dec. 31, 2022	$ 28,906	202,514	(3,031)	228,389
Ending balance, shares at Dec. 31, 2022	20,131
Common stock issued upon exercise of options and warrants	$ 16,581			16,581
Common stock issued upon exercise of options and warrants, shares	3,020
Repurchase of common stock	$ (20,273)			(20,273)
Repurchase of common stock, shares	(1,976)
Other comprehensive income (loss)			1,164	1,164
Stock-based compensation	3,464			3,464
Net income		45,343		45,343
Ending balance, value at Dec. 31, 2023	$ 28,678	$ 247,857	$ (1,867)	$ 274,668
Ending balance, shares at Dec. 31, 2023	21,175