Segment Information - Financial Data by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Sales to external customers	$ 53,336	$ 56,773	$ 99,175	$ 100,106
Operating income	5,250	3,976	7,438	5,347
Interest expense, net	832	423	1,734	729
Other (income) expense, net	(23)	148	(46)	147
Consolidated income before income taxes	4,441	3,405	5,750	4,471
Assets	161,826		161,826		$ 164,377
United States Segment
Sales to external customers	45,200	48,905	84,054	84,646
Operating income	4,251	3,454	6,031	4,287
Assets	141,486		141,486		144,466
Canada Segment
Sales to external customers	4,376	3,876	7,633	7,491
Operating income	742	474	960	830
Assets	9,547		9,547		9,078
Europe Segment
Sales to external customers	3,760	3,992	7,488	7,969
Operating income	257	$ 48	447	$ 230
Assets	$ 10,793		$ 10,793		$ 10,833