Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Equity - Stock Option Awards - Grant Volatility (Details)

v3.22.1
Shareholders' Equity - Stock Option Awards - Grant Volatility (Details) - Stock Options [Member]
3 Months Ended
Apr. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Expected volatility rate 83.00%
Expected term (in years) 6 years
Risk-free interest rate 2.40%