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, 2021
Mar. 31, 2021
Balance Sheet Accounts    
Accrued personnel costs $ 292,260 $ 371,886
Accrued director fees 373,172 50,672
Accrued commissions 6,717 51,080
Accrued professional fees 138,661 127,211
Accrued warranty costs 12,540 45,936
Accrued other 110,065 113,241
Accrued Liabilities, Current, Total $ 933,415 $ 760,026
Warranty term 1 year