XML 40 R29.htm IDEA: XBRL DOCUMENT v3.20.4
Summary of Significant Accounting Policies - Schedule of Fair Value of Share-Based Payments (Details)
9 Months Ended
Oct. 31, 2020
Oct. 31, 2019
Risk-free interest rate 0.37%  
Expected volatility of underlying stock 125.00%  
Dividends 0.00% 0.00%
Minimum [Member]    
Risk-free interest rate   1.52%
Expected life of grants 3 years 3 years
Expected volatility of underlying stock   127.00%
Maximum [Member]    
Risk-free interest rate   2.29%
Expected life of grants 3 years 6 months 3 years 6 months
Expected volatility of underlying stock   150.00%