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Commitments and Contingencies (Narrative) (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Sep. 30, 2018
Commitments and Contingencies [Abstract]      
Equipment purchases commitments $ 300,000    
Demand letter for payment $ 900,000    
Consumer Night Vision, accrued invoices     $ 1,000,000
Fully vested service period 5 years    
Percentage employer matches employee contributions 50.00%    
Percentage employer matches to a maximum qualified compensation 3.00%    
Employer contributions $ 100,000 $ 0