Quarterly report pursuant to Section 13 or 15(d)

Net (Loss) Income Per Share - Potentially Dilutive Securities Excluded from Diluted Per Share Calculations (Details)

v3.21.2
Net (Loss) Income Per Share - Potentially Dilutive Securities Excluded from Diluted Per Share Calculations (Details) - shares
 3 Months Ended 9 Months Ended
Oct. 31, 2021
Oct. 31, 2020
Oct. 31, 2021
Oct. 31, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive shares excluded from net loss per share (in shares) 52,500,000 178,495,000 52,500,000 178,495,000
Convertible Preferred Stock        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive shares excluded from net loss per share (in shares) 0 122,310,000 0 122,310,000
Options to purchase common stock        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive shares excluded from net loss per share (in shares) 45,767,000 44,251,000 45,767,000 44,251,000
Convertible note        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive shares excluded from net loss per share (in shares) 0 8,294,000 0 8,294,000
Performance share units        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive shares excluded from net loss per share (in shares) 3,175,000 0 3,175,000 0
Restricted stock units        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive shares excluded from net loss per share (in shares) 765,000 150,000 765,000 150,000
ESPP        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive shares excluded from net loss per share (in shares) 293,000 0 293,000 0
Deferred stock compensation plan        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive shares excluded from net loss per share (in shares) 0 759,000 0 759,000
Warrants to purchase common stock        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive shares excluded from net loss per share (in shares) 2,500,000 2,731,000 2,500,000 2,731,000