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
shares in Thousands
 3 Months Ended 6 Months Ended
Jul. 31, 2021
Jul. 31, 2020
Jul. 31, 2021
Jul. 31, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive shares excluded from net loss per share (in shares) 53,071 7,600 53,071 157,782
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 0 0 102,408
Stock options        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive shares excluded from net loss per share (in shares) 46,811 0 46,811 47,243
Convertible note        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive shares excluded from net loss per share (in shares) 0 7,283 0 7,283
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 0 3,175 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) 506 0 506 300
ESPP        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive shares excluded from net loss per share (in shares) 79 0 79 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) 0 317 0 317
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 0 2,500 231