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 ($)
3 Months Ended
Jun. 30, 2022
Mar. 31, 2022
Balance Sheet Accounts    
Accrued personnel costs $ 174,361 $ 115,992
Accrued director fees 537,500 480,672
Accrued commissions   22,924
Accrued professional fees 91,407 81,100
Accrued warranty costs 8,987 8,885
Accrued other 206,351 163,457
Accrued Liabilities, Current, Total $ 1,018,606 $ 873,030
Warranty term 1 year