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Net Loss Per Share
9 Months Ended
Sep. 30, 2020
Earnings Per Share [Abstract]  
Net Loss Per Share oss) Per Share
The following table sets forth the computation of basic and diluted net loss per share (in thousands, except per share amounts):
Three months ended September 30,Nine months ended September 30,
2020201920202019
Numerator:
Net income (loss)$4,161 $298 $(9,777)$(16,294)
Denominator:
Weighted-average shares used to compute net income (loss) per common share - basic32,394 31,459 32,096 31,170 
Effect of potentially dilutive securities:
Employee stock options, including ESPP241 308 — — 
Restricted stock units and performance based restricted stock units384 177— — 
Weighted-average shares used to compute net income (loss) per common share - diluted33,01931,94432,09631,170
Net income (loss) per share
   Basic$0.13 $0.01 $(0.30)$(0.52)
   Diluted$0.13 $0.01 $(0.30)$(0.52)
The following securities were not included in the calculation of diluted shares outstanding as the effect would have been anti-dilutive:
Three months ended September 30,Nine months ended September 30,
(in thousands)2020201920202019
Options to purchase common stock, including ESPP— 73 555 485 
Restricted stock units and Performance stock units450 772 1,972 1,431