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ACCRUED WARRANTY (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2021
ACCRUED WARRANTY    
Beginning Accrued Warranty Costs $ 68,000 $ 68,000
Provision For Warranty Expense 6,597 75,618
Settlement Of Warranty Claims (6,597) (75,618)
Beginning Accrued Warranty Ending $ 68,000 $ 68,000