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Net Income (Loss) Per Share Attributable to Common Stockholders
 9 Months Ended
Oct. 31, 2019
Earnings Per Share [Abstract]  
Net Income (Loss) Per Share Attributable to Common Stockholders Net Income (Loss) Per Share Attributable to Common Stockholders
The following table sets forth the computation of basic and diluted net income (loss) per share attributable to common stockholders for the periods presented:
Three Months Ended October 31,Nine Months Ended October 31,
2019201820192018
Class AClass BClass AClass BClass AClass BClass AClass B
Numerator:(in thousands, except share and per share data)
Net income (loss)$580  $1,631  $—  $(598) $1,337  $8,629  $—  $1,887  
Less: undistributed earnings attributable to participating securities—  (4) —  —  —  (2,493) —  (1,887) 
Net income (loss) attributable to common stockholders, basic$580  $1,627  $—  $(598) $1,337  $6,136  $—  $—  
Reallocation of net income (loss) attributable to common stockholders(36) 36  —  —  (121) 121  —  —  
Net income (loss) attributable to common stockholders, diluted$544  $1,663  $—  $(598) $1,216  $6,257  $—  $—  
Denominator:            
Weighted-average shares used in computing net income (loss) per share attributable to common stockholders, basic
71,833,141  201,483,709  —  85,645,323  39,227,409  180,068,036  —  83,198,339  
Weighted-average shares used in computing net income (loss) per share attributable to common stockholders, diluted
72,117,530  220,653,592  —  111,000,300  39,294,822  202,217,747  —  109,303,996  
Net income (loss) per share attributable to common stockholders, basic
$0.01  $0.01  $0.00  $(0.01) $0.03  $0.03  $0.00  $0.00  
Net income (loss) per share attributable to common stockholders, diluted
$0.01  $0.01  $0.00  $(0.01) $0.03  $0.03  $0.00  $0.00  
The potential shares of common stock that were excluded from the computation of diluted net income (loss) per share attributable to common stockholders for the periods presented because including them would have been antidilutive are as follows:
Three Months Ended October 31,Nine Months Ended October 31,
2019201820192018
Class AClass BClass AClass BClass AClass BClass AClass B
Convertible preferred stock—  —  —  152,665,804  —  —  —  152,665,804  
Outstanding stock options219,660  —  —  34,222,303  113,335  —  —  3,250,410  
Unvested RSUs369,894  —  —  —  361,923  —  —  —  
Purchase rights committed under the ESPP
63,384  —  —  —  29,225  —  —  —  
Shares subject to repurchase from early exercised stock options and restricted stock—  —  —  1,177,757  —  —  —  —  
Total652,938  —  —  188,065,864  504,483  —  —  155,916,214  

The table above does not include 500,000 shares of issued Class A common stock held by us and reserved for the sole purpose of being transferred to a nonprofit organization to be formed or identified by us at a future time.