Segment Information - Financial Data by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Sales to external customers	$ 48,166	$ 50,384	$ 148,547	$ 149,559
Operating income	2,926	3,657	11,859	11,096
Interest expense, net	535	784	1,517	2,517
Other (income) expense, net	(17)	55	(90)	9
Consolidated income before income taxes	2,408	2,818	10,432	8,570
Assets	165,473		165,473		$ 149,241
United States Segment
Sales to external customers	41,131	43,688	126,579	127,743
Operating income	2,809	3,420	10,681	9,451
Assets	144,634		144,634		131,382
Canada Segment
Sales to external customers	3,287	3,305	10,384	10,938
Operating income	59	34	803	995
Assets	11,201		11,201		8,557
Europe Segment
Sales to external customers	3,748	3,391	11,584	10,878
Operating income	58	$ 203	375	$ 650
Assets	$ 9,638		$ 9,638		$ 9,302