Annual report pursuant to Section 13 and 15(d)

Balance Sheet Accounts - Accrued Expenses (Details)

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Balance Sheet Accounts - Accrued Expenses (Details) - USD ($)
Mar. 31, 2022
Mar. 31, 2021
Balance Sheet Accounts    
Accrued personnel costs $ 115,992 $ 371,886
Accrued director fees 480,672 50,672
Accrued commissions 22,924 51,080
Accrued professional fees 81,100 127,211
Accrued warranty costs 8,885 45,936
Accrued other 163,457 113,241
Accrued Liabilities, Current, Total $ 873,030 $ 760,026