Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Treasury Stock, Common [Member]	Total
Balance (in shares) at Dec. 31, 2020	22,061,554				1,538,572
Balance at Dec. 31, 2020	$ 221	$ 114,924	$ 70,554	$ (1,525)	$ (11,602)	$ 172,572
Net income			26,907			26,907
Other comprehensive income (loss)				(1,910)		(1,910)
Issuance of common stock, net of issuance costs (in shares)	1,150,000
Issuance of common stock, net of issuance costs	$ 12	58,683				$ 58,695
Issuance of common stock for stock options exercised (in shares)	217,121					133,963
Issuance of common stock for stock options exercised	$ 2	4,544				$ 4,546
Vested restricted stock units (in shares)	49,109
Vested restricted stock units	$ 0	0				0
Stock-based compensation expense		3,479				3,479
Repurchase of common stock for net settlement of equity awards (in shares)					16,333
Repurchase of common stock for net settlement of equity awards					$ (802)	(802)
Common stock cash dividend paid			(9,336)			(9,336)
Balance (in shares) at Dec. 31, 2021	23,477,784				1,554,905
Balance at Dec. 31, 2021	$ 235	181,630	88,125	(3,435)	$ (12,404)	254,151
Net income			20,636			20,636
Other comprehensive income (loss)				(2,596)		$ (2,596)
Issuance of common stock for stock options exercised (in shares)	133,963					207,643
Issuance of common stock for stock options exercised	$ 1	3,465				$ 3,466
Vested restricted stock units (in shares)	43,969
Vested restricted stock units	$ 1	0				1
Stock-based compensation expense		4,173				4,173
Repurchase of common stock for net settlement of equity awards (in shares)					13,690
Repurchase of common stock for net settlement of equity awards					$ (642)	(642)
Common stock cash dividend paid			(10,988)			(10,988)
Balance (in shares) at Dec. 31, 2022	23,655,716				1,568,595
Balance at Dec. 31, 2022	$ 237	189,268	97,773	(6,031)	$ (13,046)	268,201
Net income			30,105			30,105
Other comprehensive income (loss)				1,406		1,406
Issuance of common stock for stock options exercised (in shares)	207,643
Issuance of common stock for stock options exercised	$ 2	6,168				6,170
Vested restricted stock units (in shares)	48,401
Vested restricted stock units	$ 0	0				0
Stock-based compensation expense		5,319				5,319
Repurchase of common stock for net settlement of equity awards (in shares)					15,917
Repurchase of common stock for net settlement of equity awards					$ (853)	(853)
Common stock cash dividend paid			(12,448)			(12,448)
Balance (in shares) at Dec. 31, 2023	23,911,760				1,584,512
Balance at Dec. 31, 2023	$ 239	$ 200,755	$ 115,430	$ (4,625)	$ (13,899)	$ 297,900