Consolidated Statements of Comprehensive Earnings (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Net earnings	$ 2,116	$ 2,609	$ 2,693	$ 4,821
Unrealized gain on interest rate swap agreement	99	0	409	0
Foreign currency translation adjustments	(702)	24	(839)	(77)
Comprehensive earnings	$ 1,513	$ 2,633	$ 2,263	$ 4,744