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Net Loss Per Share | 9 Months Ended
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Sep. 30, 2020
Earnings Per Share [Abstract] |
Net Loss Per Share | Net Loss Per ShareBasic net loss per share is computed by dividing net loss by the weighted-average number of shares of common stock outstanding during the period. Diluted net loss per share is computed by giving effect to all potential shares of common stock, including stock options, restricted stock units (RSUs), performance-based restricted stock units (PSUs), and shares related to convertible senior notes, to the extent dilutive. Basic and diluted net loss per share was the same for each period presented as the inclusion of all potential common shares outstanding would have been anti-dilutive. 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, |  |
| 2020 |  | 2019 |  | 2020 |  | 2019
Numerator: |  |  |  |  |  |  |
Net loss | $ | (37,140) |  |  | $ | (11,477) |  |  | $ | (32,264) |  |  | $ | (17,824) |
Denominator: |  |  |  |  |  |  |
Weighted average shares used to compute net loss per share, basic and diluted | 126,194 |  |  | 120,085 |  |  | 124,162 |  |  | 118,547 |
Net loss per share, basic and diluted | $ | (0.29) |  |  | $ | (0.10) |  |  | $ | (0.26) |  |  | $ | (0.15) |
The following potential weighted-average shares of common stock outstanding were excluded from the computation of diluted net loss per share because including them would have been anti-dilutive (in thousands):
| Three Months Ended September 30, |  |  |  | Nine Months Ended September 30, |  |
| 2020 |  | 2019 |  | 2020 |  | 2019
Options to purchase common stock | 865 |  |  | 2,122 |  |  | 977 |  |  | 2,715 |
RSUs and PSUs | 3,394 |  |  | 3,831 |  |  | 3,425 |  |  | 4,952 |
Shares related to convertible senior notes | 8,721 |  |  | 4,098 |  |  | 4,422 |  |  | 3,709 |
Employee stock purchase plan | 9 |  |  | 7 |  |  | 4 |  |  | 3 |
Total common stock equivalents | 12,989 |  |  | 10,058 |  |  | 8,828 |  |  | 11,379 |
Shares related to convertible senior notes during the three and nine months ended September 30, 2020 represents the dilutive and anti-dilutive impact of our 2023 notes and 2025 notes as the average price of our common stock was higher than the conversion price of $26.95 and $51.56, respectively, and the conditions for conversion had been met. Shares related to convertible senior notes during the three and nine months ended September 30, 2019 represents the dilutive and anti-dilutive impact of our 2023 notes as the average price of our common stock was higher than the conversion price and the conditions for conversion had been met. While these shares are anti-dilutive during the three and nine months ended September 30, 2020 and 2019, they may be dilutive in periods we report net income. However, as a result of the capped call transactions, there will be no economic dilution from the 2023 notes and 2025 notes up to $40.68 and $79.32, respectively, as exercise of the capped call instruments will reduce dilution that would have otherwise occurred when the average price of our common stock exceeds the conversion price. None of the shares related to our 2025 notes were dilutive or anti-dilutive during the three and nine months ended September 30, 2019 as a result of the conditions for conversion not being met. None of the shares related to our 2026 notes were dilutive or anti-dilutive during the three and nine months ended September 30, 2020 as a result of the conditions for conversion not being met. For further information on the notes see Note 8, “Convertible Senior Notes.”

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