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Schedule Of Accrued Expenses And Other Current Liabilities (Details) - USD ($)
Sep. 30, 2021
Dec. 31, 2020
Payables and Accruals [Abstract]    
Manufacturer’s warranties $ 304,000 $ 352,000
Taxes payable 90,171 316,076
Miscellaneous payable 99,472 104,808
Total accrued expenses and other current liabilities $ 493,643 $ 772,884