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Property and Equipment (Details) - Schedule of property and equipment - USD ($)
Jun. 30, 2022
Dec. 31, 2021
Property, Plant and Equipment [Line Items]    
Total Property and Equipment $ 40,559,000 $ 39,232,000
Less: Accumulated Depreciation (32,136,000) (30,828,000)
Property and Equipment, net 8,423,000 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 1,902,000 1,723,000
Machinery and Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Total Property and Equipment 22,638,000 22,013,000
Finance Lease 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 13,302,000 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 882,000 882,000
Computers and Software [Member]    
Property, Plant and Equipment [Line Items]    
Total Property and Equipment $ 604,000 $ 583,000