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v3.22.1

Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Jan. 31, 2022 | Jan. 31, 2021 | Jan. 31, 2020 | Jan. 31, 2019
--- | --- | --- | --- | ---
Deferred tax assets |  |  |  |
Net operating loss carryforwards | $ 114,654 | $ 92,570 |  |
Tax Credit carryforwards | 21,245 | 17,679 |  |
Stock-based compensation | 8,252 | 4,013 |  |
Deferred revenue | 3,909 | 5,239 |  |
Excess interest expense | 8,656 | 6,799 |  |
Other | 12,208 | 4,826 |  |
Total deferred tax assets | 168,924 | 131,126 |  |
Valuation allowance | (166,081) | (126,270) | $ (102,758) | $ (73,155)
Total deferred tax assets | 2,843 | 4,856 |  |
Deferred tax liabilities |  |  |  |
Property and equipment | 0 | 0 |  |
Intangible assets | (2,701) | (4,432) |  |
Total deferred tax liabilities | (2,701) | (4,432) |  |
Net deferred tax assets | $ 142 | $ 424 |  |

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