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Net Loss Per Share (Tables) | 6 Months Ended
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Jul. 31, 2018
Earnings Per Share [Abstract] |
Schedule of Basic and Diluted Net Loss Per Share | The following table presents the calculation of basic and diluted net loss per share (in thousands, except per share data):
| Three Months Ended July 31, |  | Six Months Ended July 31,
| 2018 |  | 2017 |  | 2018 |  | 2017
| Class A |  | Class B |  | Class A |  | Class B |  | Class A |  | Class B |  | Class A |  | Class B
| (unaudited)
Numerator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net loss (1) | $ | (33,862 | ) |  | $ | (5,345 | ) |  | $ | (4,075 | ) |  | $ | (21,957 | ) |  | $ | (53,242 | ) |  | $ | (11,927 | ) |  | $ | (7,254 | ) |  | $ | (46,484 | )
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average shares outstanding - basic and diluted | 92,156 |  |  | 14,546 |  |  | 14,650 |  |  | 78,926 |  |  | 86,172 |  |  | 19,303 |  |  | 9,061 |  |  | 58,064 |
Net loss per share attributable to common stockholders, basic and diluted | $ | (0.37 | ) |  | $ | (0.37 | ) |  | $ | (0.28 | ) |  | $ | (0.28 | ) |  | $ | (0.62 | ) |  | $ | (0.62 | ) |  | $ | (0.80 | ) |  | $ | (0.80 | )
(1) | Net loss for the three and six months ended July 31, 2017 has been adjusted. See Note 2 for a summary of adjustments.
Schedule of Potentially Dilutive Securities Excluded from Diluted Per Share Calculation | Potentially dilutive securities that were not included in the diluted per share calculations because they would be anti-dilutive were as follows (in thousands):
| As of July 31,
| 2018 |  | 2017
| (unaudited)
Unvested restricted common stock issued and outstanding | 400 |  |  | 800 |
Stock options issued and outstanding | 20,898 |  |  | 33,360 |
Unvested RSUs issued and outstanding | 4,891 |  |  | 2,210 |
Unvested restricted stock awards issued and outstanding | 388 |  |  | 599 |
Shares related to convertible senior notes | 7,134 |  |  | — |
Shares committed under the ESPP | 360 |  |  | 1,082 |
Unvested shares subject to repurchase | 96 |  |  | 324 |
| 34,167 |  |  | 38,375 |

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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