Segment Information - Financial Data by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Sales to external customers	$ 50,384	$ 49,744	$ 149,559	$ 149,849
Operating income	3,657	953	11,096	6,299
Interest expense, net	784	714	2,517	1,443
Other expense, net	55	209	9	354
Consolidated income before income taxes	2,818	30	8,570	4,502
Assets	156,269		156,269		$ 164,377
United States Segment
Sales to external customers	43,688	42,943	127,743	127,589
Operating income	3,420	767	9,451	5,032
Assets	136,903		136,903		144,466
Canada Segment
Sales to external customers	3,305	3,629	10,938	11,120
Operating income	34	354	995	1,214
Assets	9,246		9,246		9,078
Europe Segment
Sales to external customers	3,391	3,172	10,878	11,140
Operating income	203	$ (168)	650	$ 53
Assets	$ 10,120		$ 10,120		$ 10,833