Consolidated Statements of Comprehensive Earnings (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Net earnings	$ 2,793	$ 2,116	$ 5,610	$ 2,693
Unrealized gain (loss) on interest rate swap agreement	28	99	(71)	409
Foreign currency translation adjustments	153	(702)	323	(839)
Comprehensive earnings	$ 2,974	$ 1,513	$ 5,862	$ 2,263