Quarterly report pursuant to Section 13 or 15(d)

Accrued Expenses - Components of Accrued Expenses (Details)

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Accrued Expenses - Components of Accrued Expenses (Details) - USD ($)
Sep. 30, 2021
Dec. 31, 2020
Accrued Expenses    
Accrued Wages and Related Costs $ 587,961 $ 582,924
Accrued Professional Services 218,506 187,323
Accrued Warranty Obligations 194,092 143,898
Other Accrued Expenses 584,766 68,888
Total $ 1,585,325 $ 983,033