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Balance Sheet Components - Components of Acquired Intangible Assets (Details) - USD ($) $ in Thousands | Jul. 31, 2020 | Jan. 31, 2020
--- | --- | ---
Finite Lived Intangible Assets [Line Items] |  |
Total intangible assets | $ 6,165 | $ 6,818
Customer relationships |  |
Finite Lived Intangible Assets [Line Items] |  |
Total intangible assets | 5,334 | 5,841
Developed technology |  |
Finite Lived Intangible Assets [Line Items] |  |
Total intangible assets | 521 | 622
Trade names |  |
Finite Lived Intangible Assets [Line Items] |  |
Total intangible assets | $ 310 | $ 355

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