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Critical Accounting Policies and Estimates (Details) - USD ($)	9 Months Ended
	Sep. 30, 2025	Dec. 31, 2024
Accounting Policies [Abstract]
Cash and cash equivalents	$ 42,397,000	$ 41,803,000
Accounts Receivable, Allowance for Credit Loss	28,000	0
Accounts receivable for chargebacks	224,000	227,000
Allowance for slow moving and obsolete inventory	1,138,000	1,392,000
Contract assets	1,410,000	758,000
Amount of revenue from contract liabilities related to open jobs outstanding	3,355,000
Estimated liability for compensation claims	901,000	1,087,000
Liability for post retirement healthcare benefits	$ 3,374,000	$ 3,298,000

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