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Summary of Significant Accounting Policies (Tables)
3 Months Ended
Mar. 31, 2020
Accounting Policies [Abstract]  
Schedule of Inventories
    March 31,     December 31,  
    2020     2019  
Raw materials   $ 45,000     $ 47,000  
Work-in-process     11,000       16,000  
Finished goods     257,000       259,000  
    $ 313,000     $ 322,000  
Schedule of Property and Equipment
    March 31,     December 31,  
    2020     2019  
Property and Equipment:            
Production tooling, machinery and equipment   $ 3,685,000     $ 3,685,000  
Office furniture and fixtures     425,000       393,000  
Computer equipment and software     1,426,000       1,426,000  
      5,536,000       5,504,000  
Accumulated depreciation and amortization     ( 5,040,000 )     ( 4,955,000 )
Net Property and Equipment   $ 496,000     $ 549,000  
Schedule of Weighted Average Common Shares Outstanding
Three months ended March 31   2020     2019  
Denominator for basic net loss per share - weighted average shares     12,066,000       11,856,000  
Effect of dilutive securities:                
Stock options, restricted stock and restricted stock units            
Denominator for diluted net loss per share - weighted average shares     12,066,000       11,856,000