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Summary of Fair Value of Options Using Black-Sholes Option Pricing Model (Details)
9 Months Ended
Sep. 30, 2021
Volatility, minimum 85.05%
Volatility, maximum 89.37%
Risk Free interest rate, minimum 0.725%
Risk Free interest rate, maximum 1.32%
Dividend yield (on common stock)
Minimum [Member]  
Expected life (in years) 5 years 6 months
Maximum [Member]  
Expected life (in years) 8 years