Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Stock Option Activity (Detail)

v3.22.1
Stockholders' Equity - Stock Option Activity (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Jan. 31, 2022
Jan. 31, 2021
Equity [Abstract]    
Shares, Outstanding at beginning of period 1,672,546  
Shares, Granted 1,195,000  
Shares, Exercised (112,205)  
Shares, Forfeited (1,492,001)  
Shares, Outstanding at end of period 1,263,340 1,672,546
Shares, Vested and expected to vest at end of period 1,152,689  
Shares, Options exercisable at end of period 356,677  
Weighted Average Exercise Price, Outstanding at beginning of period $ 2.00  
Weighted Average Exercise Price, Granted 1.24  
Weighted Average Exercise Price, Exercised 1.43  
Weighted Average Exercise Price, Forfeited 1.91  
Weighted Average Exercise Price, Outstanding at end of period 1.40 $ 2.00
Weighted Average Exercise Price, Vested and expected to vest at end of period 1.41  
Weighted Average Exercise Price, Options exercisable at end of period $ 1.70  
Weighted Average Remaining Contractual Term, Outstanding at beginning of period 8 years 8 months 1 day 5 years 7 months 20 days
Weighted Average Remaining Contractual Term, Vested and expected to vest at end of period 8 years 7 months 17 days  
Weighted Average Remaining Contractual Term, Options exercisable at end of period 7 years 7 months 13 days  
Aggregate Intrinsic Value, Outstanding $ 83,300  
Aggregate Intrinsic Value, Vested and expected to vest at end of period $ 83,300