Segment Information - Financial Data by Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Net Sales	$ 45,958	$ 44,956
Less: Segment cost of sales	28,041	27,560
Less: Segment selling, general, and administrative expenses	15,491	14,838
Operating income	2,426	2,558
Interest expense	(426)	(476)
Interest income	29	33
Other income, net	90	44
Income before income tax expense	2,119	2,159
Assets	163,039	159,381	$ 162,171
Additions to property, plant and equipment	1,353	1,611
Depreciation and amortization	1,501	1,465
United States Segment
Net Sales	39,122	37,991
Less: Segment cost of sales	23,700	22,977
Less: Segment selling, general, and administrative expenses	13,063	12,675
Operating income	2,359	2,339
Assets	143,808	139,228
Additions to property, plant and equipment	1,334	1,484
Depreciation and amortization	1,444	1,343
Canada Segment
Net Sales	3,185	3,039
Less: Segment cost of sales	1,985	2,004
Less: Segment selling, general, and administrative expenses	1,159	996
Operating income	41	39
Assets	9,713	11,094
Additions to property, plant and equipment	18	79
Depreciation and amortization	44	109
Europe Segment
Net Sales	3,651	3,926
Less: Segment cost of sales	2,356	2,579
Less: Segment selling, general, and administrative expenses	1,269	1,167
Operating income	26	180
Assets	9,518	9,059
Additions to property, plant and equipment	1	48
Depreciation and amortization	$ 12	$ 13