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Accrued Expenses (Details) - Schedule of Product Warranty Liability - USD ($)
12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Schedule of Product Warranty Liability [Abstract]    
Warranty reserve, at beginning of period $ 118,734 $ 118,014
Warranty expense 64,092 51,858
Warranty deductions (92,074) (51,138)
Warranty reserve, at end of period $ 90,752 $ 118,734