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Employee Incentive Plans (Tables) | 3 Months Ended
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Apr. 30, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Stock-based Compensation Expense by Award Type | Stock-based compensation expense by award type was as follows (in thousands):
| Three Months Ended April 30,
| 2017 |  | 2016
Stock options | $ | 6,025 |  |  | $ | 3,369 |
RSUs | 66 |  |  | — |
ESPP | 785 |  |  | — |
Restricted stock awards | 752 |  |  | — |
Restricted common stock | 1,278 |  |  | — |
Total | $ | 8,906 |  |  | $ | 3,369 |
Schedule of Stock-based Compensation Expense by Statement of Operations Location | Stock-based compensation expense was recorded in the following cost and expense categories in the Company’s condensed consolidated statements of operations (in thousands):
| Three Months Ended April 30,
| 2017 |  | 2016
Cost of revenue |  |  |
Subscription | $ | 686 |  |  | $ | 393 |
Professional services and other | 469 |  |  | 273 |
Research and development | 3,301 |  |  | 618 |
Sales and marketing | 2,375 |  |  | 1,354 |
General and administrative | 2,075 |  |  | 731 |
Total | $ | 8,906 |  |  | $ | 3,369 |
Schedule of Stock Option Activity | A summary of the Company’s stock option activity and related information is as follows:
| Number of Options |  | Weighted- Average Exercise Price |  | Weighted- Average Remaining Contractual Term (Years) |  | Aggregate Intrinsic Value (in thousands)
Outstanding as of January 31, 2017 | 32,866,862 |  |  | $ | 6.01 |  |  | 8.2 |  | $ | 145,570 |
Granted | 2,596,568 |  |  | 11.03 |  |  |  |  |  |
Exercised | (1,022,650 | ) |  | 2.75 |  |  |  |  |  |
Canceled | (501,308 | ) |  | 7.53 |  |  |  |  |  |
Outstanding as of April 30, 2017 | 33,939,472 |  |  | $ | 6.47 |  |  | 8.1 |  | $ | 664,506 |
As of April 30, 2017 |  |  |  |  |  |  |
Vested and exercisable | 12,656,317 |  |  | $ | 3.57 |  |  | 6.8 |  | $ | 284,473 |
Schedule of Black-Scholes Option Pricing Model Estimated Fair Value Assumptions | The Company used the Black-Scholes option pricing model to estimate the fair value of stock options granted with the following assumptions:
| Three Months Ended April 30,
| 2017 |  | 2016
| (unaudited)
Expected volatility | 40.3% - 40.5% |  |  | 43.4% - 44.3% |
Expected term (in years) | 6.0 - 6.4 |  |  | 5.8 - 6.1 |
Risk-free interest rate | 2.06% - 2.21% |  |  | 1.29% - 1.54% |
Expected dividend yield | — |  |  | — |
Schedule of ESPP Black-Scholes Option Pricing Model Estimated Fair Value Assumptions | The Company estimated the fair value of ESPP purchase rights using a Black-Scholes option pricing model with the following assumptions:
| Three Months Ended April 30, 2017
| (unaudited)
Expected volatility | 32.8% - 37.4%
Expected term (in years) | 0.7 - 1.2
Risk-free interest rate | 0.95% - 1.08%
Expected dividend yield | —

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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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -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=27013229&loc=d3e301413-122809 + 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of employee stock purchase plans, including, but not limited to: (a) expected term, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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