Quarterly report pursuant to Section 13 or 15(d)

Balance Sheet Accounts - Accrued Expenses (Details)

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Balance Sheet Accounts - Accrued Expenses (Details) - USD ($)
9 Months Ended
Dec. 31, 2020
Mar. 31, 2020
Balance Sheet Accounts    
Accrued personnel costs $ 951,556 $ 591,380
Accrued director fees 647,629 325,129
Accrued commissions 5,800 30,523
Accrued professional fees 175,000 253,831
Accrued warranty costs 45,936 162,449
Accrued other 241,874 284,344
Accrued Liabilities, Current, Total $ 2,067,795 $ 1,647,656
Warranty term 1 year