Quarterly report pursuant to Section 13 or 15(d)

Accrued Expenses - Changes in Accrued Warranty Obligations (Details)

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Accrued Expenses - Changes in Accrued Warranty Obligations (Details)
6 Months Ended
Jun. 30, 2022
USD ($)
Accrued Expenses  
Accrued Warranty Obligations, beginning of period $ 185,044
Reductions for Settling Warranties (168,873)
Warranties Issued During Period 162,058
Accrued Warranty Obligations, end of period $ 178,229