XML 36 R27.htm IDEA: XBRL DOCUMENT v3.22.1
Summary of Fair Value of Options Using Black-Sholes Option Pricing Model (Details)
3 Months Ended
Mar. 31, 2021
$ / shares
Equity [Abstract]  
Expected life (in years) 5 years 6 months
Volatility 85.70%
Risk Free interest rate. minimum 1.50%
Risk Free interest rate, maximum 1.60%
Expected dividends
Weighted average grant date fair value per share $ 4.15