Segment Reporting (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2026 USD ($)	Mar. 31, 2026 segment	Mar. 31, 2026 tradingDay	Mar. 31, 2025 USD ($) tradingDay
Segment Reporting [Abstract]
Number of reportable segment		1	1	1
Segment Reporting Information [Line Items]
Net Sales	$ 17,336			$ 18,914
Cost of Sales	14,439			15,872
Gross Profit	2,897			3,042
Operating Loss	(1,480)			(1,360)
Other Income (Expense):
Realized Gain on Available-for-Sale Investments	120			56
Interest Expense	(282)			(277)
Interest Income	37			66
Total Other Expense, net	(125)			(155)
Net Loss	(1,605)			(1,515)
Reportable Segment
Segment Reporting Information [Line Items]
Net Sales	17,336			18,914
Cost of Sales	14,439			15,872
Gross Profit	2,897			3,042
Employee Compensation	2,735			2,678
Administrative Costs	1,642			1,724
Operating Loss	(1,480)			(1,360)
Other Income (Expense):
Realized Gain on Available-for-Sale Investments	120			56
Interest Expense	(282)			(277)
Interest Income	37			66
Total Other Expense, net	(125)			(155)
Net Loss	$ (1,605)			$ (1,515)