Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Income Statement [Abstract]
Net sales	$ 30,675	$ 33,891	$ 57,570	$ 68,106
Cost of goods sold	25,838	29,274	49,655	58,041
Gross profit	4,837	4,617	7,915	10,065
Operating expenses:
Selling	1,204	909	2,388	1,714
General and administrative	2,589	2,982	5,504	6,152
Research and development	302	291	628	609
Restructuring charges		91	266	91
Total operating expenses	4,095	4,273	8,786	8,566
Income (loss) from operations	742	344	(871)	1,499
Other expense:
Interest expense	(257)	(165)	(471)	(332)
Income (loss) before income taxes	485	179	(1,342)	1,167
Income tax expense (benefit)	172	22	(339)	245
Net income (loss)	$ 313	$ 157	$ (1,003)	$ 922
Net income (loss) per common share:
Basic (in dollars per share)	$ 0.12	$ 0.06	$ (0.36)	$ 0.34
Weighted average number of common shares outstanding - basic (in shares)	2,773,598	2,760,052	2,767,263	2,751,330
Diluted (in dollars per share)	$ 0.12	$ 0.05	$ (0.36)	$ 0.32
Weighted average number of common shares outstanding - diluted (in shares)	2,954,765	2,935,671	2,767,263	2,922,113
Other comprehensive income (loss)
Foreign currency translation	$ 124	$ (175)	$ 130	$ (358)
Comprehensive income (loss), net of tax	$ 437	$ (18)	$ (873)	$ 564