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Equity Incentive Plans and Employee Stock Purchase Plan (Tables) | 9 Months Ended
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Oct. 31, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of stock option activity | The following table summarizes stock option activity for the nine months ended October 31, 2018 (in thousands, except share and per share data and years):
| Shares |  | Weighted- Average Exercise Price Per Share |  | Weighted- Average Remaining Contractual Term (In Years) |  | Aggregate Intrinsic Value
Balance - January 31, 2018 | 12,637,435 |  |  | $ | 7.63 |  |  | 7.72 |  | $ | 246,227 |
Stock options exercised | (2,540,312 | ) |  | 6.92 |  |  |  |  |
Stock options forfeited and expired | (640,584 | ) |  | 8.43 |  |  |  |  |
Balance - October 31, 2018 | 9,456,539 |  |  | 7.76 |  |  | 7.04 |  | 697,319 |
Vested and exercisable - January 31, 2018 | 5,540,858 |  |  | 6.33 |  |  | 6.63 |  | 115,122 |
Vested and exercisable - October 31, 2018 | 5,377,483 |  |  | $ | 6.89 |  |  | 6.29 |  | $ | 401,189 |
Schedule of restricted stock unit activity | The following table summarizes RSU activity for the nine months ended October 31, 2018:
| Shares |  | Weighted-Average Grant Date Fair Value per RSU
Unvested - January 31, 2018 | 245,746 |  |  | $ | 26.20 |
RSUs granted | 1,718,364 |  |  | 47.90 |
RSUs vested | (138,812 | ) |  | 34.73 |
RSUs forfeited and canceled | (67,167 | ) |  | 39.25 |
Unvested - October 31, 2018 | 1,758,131 |  |  | $ | 46.24 |
Schedule of stock-based compensation expense recognized in consolidated statements of operations | Total stock-based compensation expense recognized in the Company’s interim unaudited condensed consolidated statements of operations is as follows (in thousands):
| Three Months Ended October 31, |  | Nine Months Ended October 31,
| 2018 |  | 2017 |  | 2018 |  | 2017
Cost of revenue—subscription | $ | 555 |  |  | $ | 183 |  |  | $ | 1,403 |  |  | $ | 503 |
Cost of revenue—services | 335 |  |  | 123 |  |  | 800 |  |  | 292 |
Sales and marketing | 3,090 |  |  | 1,704 |  |  | 7,437 |  |  | 4,400 |
Research and development | 3,131 |  |  | 1,505 |  |  | 8,241 |  |  | 4,072 |
General and administrative | 3,153 |  |  | 2,184 |  |  | 8,969 |  |  | 5,799 |
Total stock-based compensation expense | $ | 10,264 |  |  | $ | 5,699 |  |  | $ | 26,850 |  |  | $ | 15,066 |

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- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5047-113901 + Details
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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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