Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) shares in Thousands, $ in Thousands |
3 Months Ended | |
|---|---|---|
Apr. 30, 2019 |
Apr. 30, 2018 |
|
| Income Statement And Statement Of Comprehensive Income [Abstract] | ||
| Revenue | $ 37,314 | $ 25,020 |
| Cost of revenue | 5,486 | 3,885 |
| Gross profit | 31,828 | 21,135 |
| Operating expenses: | ||
| Research and development | 10,906 | 7,719 |
| Sales and marketing | 21,167 | 13,294 |
| General and administrative | 12,484 | 7,116 |
| Total operating expenses | 44,557 | 28,129 |
| Loss from operations | (12,729) | (6,994) |
| Interest income | 889 | 130 |
| Other income, net | 21 | 389 |
| Loss before provision for income taxes | (11,819) | (6,475) |
| Provision for income taxes | (245) | (104) |
| Net loss | (12,064) | (6,579) |
| Comprehensive loss | $ (12,064) | $ (6,579) |
| Net loss per share, basic and diluted (in dollars per share) | $ (0.37) | $ (0.32) |
| Weighted-average shares used in calculating net loss per share, basic and diluted (in shares) | 32,510 | 20,878 |