Quarterly report pursuant to Section 13 or 15(d)

CURRENT ACCRUED LIABILITIES (Details)

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CURRENT ACCRUED LIABILITIES (Details) - USD ($)
Sep. 30, 2021
Dec. 31, 2020
Dec. 31, 2019
Payables and Accruals [Abstract]      
Accrued payroll and payroll taxes $ 202,483 $ 252,595  
Accrued professional 218,241 176,842  
Accrued sales taxes, penalties, and interest 25,588 31,396  
Product warranties 17,551 45,328 $ 58,791
Other accrued liabilities 323,919 57,151  
Total current accrued liabilities $ 787,782 $ 563,312