Property and Equipment (Details) - Schedule of property and equipment - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Total Property and Equipment	$ 41,875,000	$ 39,232,000
Less: Accumulated Depreciation	(33,282,000)	(30,828,000)
Property and Equipment, net	8,593,000	8,404,000
Land [Member]
Property, Plant and Equipment [Line Items]
Total Property and Equipment	300,000	300,000
Buildings and Improvements [Member]
Property, Plant and Equipment [Line Items]
Total Property and Equipment	1,789,000	1,723,000
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Total Property and Equipment	23,566,000	22,013,000
Finance Lease ROU Assets - Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Total Property and Equipment	375,000	375,000
Tools and Instruments [Member]
Property, Plant and Equipment [Line Items]
Total Property and Equipment	13,744,000	12,866,000
Automotive Equipment [Member]
Property, Plant and Equipment [Line Items]
Total Property and Equipment	266,000	200,000
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Total Property and Equipment	290,000	290,000
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Total Property and Equipment	941,000	882,000
Computers and Software [Member]
Property, Plant and Equipment [Line Items]
Total Property and Equipment	$ 604,000	$ 583,000