Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Apr. 30, 2019 |
Apr. 30, 2018 |
|
| Income Statement [Abstract] | ||
| Revenue | $ 47,188 | $ 56,938 |
| Cost of revenue | 19,335 | 22,046 |
| Gross profit | 27,853 | 34,892 |
| Operating expenses: | ||
| Research and development | 33,017 | 31,664 |
| Selling, general and administrative | 13,077 | 13,178 |
| Total operating expenses | 46,094 | 44,842 |
| Loss from operations | (18,241) | (9,950) |
| Other income, net | 2,196 | 792 |
| Loss before income taxes | (16,045) | (9,158) |
| Provision for income taxes | 1,266 | 848 |
| Net loss | $ (17,311) | $ (10,006) |
| Net loss per share attributable to ordinary shareholders: | ||
| Basic | $ (0.53) | $ (0.30) |
| Diluted | $ (0.53) | $ (0.30) |
| Weighted-average shares used to compute net loss per share attributable to ordinary shareholders: | ||
| Basic | 32,492,044 | 33,334,801 |
| Diluted | 32,492,044 | 33,334,801 |