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Summary of Significant Accounting Policies (Details) - Disaggregation of Revenue - Test Units [Member] - USD ($)
3 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Commercial Customers [Member]    
Sales Distribution    
Revenues $ 58,573 $ 295,923
U.S. Government [Member]    
Sales Distribution    
Revenues $ 2,563,277 $ 2,504,140