Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Summary of Stock Unit Activity (Detail)

v3.23.1
Stockholders' Equity - Summary of Stock Unit Activity (Detail)
 12 Months Ended
Jan. 31, 2023
$ / shares
shares
RSU and DSU [Member]  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Unvested Number of Shares at beginning of period | shares 1,412,691
Number of Shares,Granted | shares 1,819,405
Number of Shares,Vested | shares (951,274)
Number of Shares,Forfeited | shares (60,000)
Unvested Number of Shares at end of period | shares 2,220,822
Unvested Grant-Date Fair Value at beginning of period | $ / shares $ 1.20
Granted Grant-Date Fair Value | $ / shares 0.51
Vested Grant-Date Fair Value | $ / shares 1.24
Forfeited Grant-Date Fair Value | $ / shares 0.43
Unvested Grant-Date Fair value at end of period | $ / shares $ 0.64
PSU [Member]  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Unvested Number of Shares at beginning of period | shares 317,857
Number of Shares,Granted | shares 740,000
Number of Shares,Vested | shares (87,500)
Number of Shares,Forfeited | shares (115,357)
Unvested Number of Shares at end of period | shares 855,000
Unvested Grant-Date Fair Value at beginning of period | $ / shares $ 1.10
Granted Grant-Date Fair Value | $ / shares 0.21
Vested Grant-Date Fair Value | $ / shares 1.08
Forfeited Grant-Date Fair Value | $ / shares 0.68
Unvested Grant-Date Fair value at end of period | $ / shares $ 0.39