Consolidated Statements of Stockholders Equity - USD ($) $ in Thousands	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive (Loss) Income	Retained Earnings	Treasury Stock	Total
Balances at Dec. 31, 2019	$ 663	$ 27,464	$ (1)	$ 243,566	$ (54,560)	$ 217,132
Balances (in shares) at Dec. 31, 2019	5,622,826
Increase (Decrease) in Stockholders' Equity
Stock options exercised	$ 1	80				81
Stock options exercised (in shares)	12,271
Stock-based compensation	$ 2	1,913				1,915
Stock-based compensation (in shares)	18,609
Treasury shares purchased					(557)	(557)
Treasury shares purchased (in shares)	(5,622)
Cash dividends paid				(3,603)		(3,603)
Net income				28,223		28,223
Mark to market of foreign exchange hedges, net of $0 tax expense			1			1
Comprehensive income			1	28,223		28,224
Balances at Dec. 31, 2020	$ 666	29,457		268,186	(55,117)	243,192
Balances (in shares) at Dec. 31, 2020	5,648,084
Increase (Decrease) in Stockholders' Equity
Stock options exercised	$ 1	83				84
Stock options exercised (in shares)	5,310
Stock-based compensation	$ 2	2,234				2,236
Stock-based compensation (in shares)	18,279
Treasury shares purchased					(731)	(731)
Treasury shares purchased (in shares)	(5,661)
Cash dividends paid				(3,620)		(3,620)
Net income				37,045		37,045
Mark to market of foreign exchange hedges, net of $0 tax expense
Comprehensive income				37,045		37,045
Balances at Dec. 31, 2021	$ 669	31,774		301,611	(55,848)	278,206
Balances (in shares) at Dec. 31, 2021	5,666,012
Increase (Decrease) in Stockholders' Equity
Stock options exercised		120				120
Stock options exercised (in shares)	2,400
Stock-based compensation	$ 2	2,634				2,636
Stock-based compensation (in shares)	19,297
Treasury shares purchased					(767)	(767)
Treasury shares purchased (in shares)	(5,630)
Cash dividends paid				(4,536)		(4,536)
Net income				45,429		45,429
Mark to market of foreign exchange hedges, net of $0 tax expense
Comprehensive income				45,429		45,429
Balances at Dec. 31, 2022	$ 671	$ 34,528	$ 0	$ 342,504	$ (56,615)	$ 321,088
Balances (in shares) at Dec. 31, 2022	5,682,079