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Accrued Expenses (Details) - Schedule of Product Warranty Liability - USD ($)
12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Schedule of Product Warranty Liability [Abstract]    
Warranty reserve, at beginning of period $ 118,014 $ 111,983
Warranty expense 51,858 58,082
Warranty deductions (51,138) (52,051)
Warranty reserve, at end of period $ 118,734 $ 118,014