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Summary of Significant Accounting Policies (Details) - USD ($)
3 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Mar. 31, 2020
Summary of Significant Accounting Policies (Details) [Line Items]      
Extended Product Warranty Description The extended warranties sold by the Company provide a level of assurance beyond the coverage for defects that existed at the time of a sale or against certain types of covered damage with coverage terms generally ranging from 5 to 7 years.    
Extended Product Warranty Accrual $ 391,414   $ 413,554
Recognition of Deferred Revenue 22,140 $ 19,491  
Deferred Revenue and Credits, Current 10,059   $ 58,746
Revenues 2,939,437 3,306,462  
Repairs and Calibration [Member]      
Summary of Significant Accounting Policies (Details) [Line Items]      
Revenues 277,898 403,365  
Replacement Parts [Member]      
Summary of Significant Accounting Policies (Details) [Line Items]      
Revenues 16,070 81,634  
Extended Warranty [Member]      
Summary of Significant Accounting Policies (Details) [Line Items]      
Revenues 22,140 19,491  
Other Revenue [Member]      
Summary of Significant Accounting Policies (Details) [Line Items]      
Revenues $ 1,479 $ 1,909