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FAIR VALUE CONVERTIBLE PROMISSORY NOTES (Details 1)
12 Months Ended
Dec. 31, 2021
USD ($)
Significant assumptions (weighted-average):  
Risk-free interest rate at grant date 0.36%
Expected stock price volatility 81.14%
Expected dividend payout $ 0
Expected warrant life (in years) 2 years
Expected forfeiture rate 0%