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Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2019
Property, Plant and Equipment [Abstract]  
Schedule of Property and Equipment
Year ended December 31   2019     2018  
Property and Equipment:            
Production tooling, machinery and equipment   $ 3,685,000     $ 3,694,000  
Office furniture and fixtures     393,000       385,000  
Computer equipment and software     1,426,000       2,743,000  
Leasehold improvements     -       577,000  
Construction in-progress     -       1,179,000  
      5,504,000       8,578,000  
Accumulated depreciation and amortization     (4,955,000 )     (5,310,000 )
Net Property and Equipment   $ 549,000     $ 3,268,000