Goodwill and Intangible Assets - Schedule of Change in Carrying Amount of Goodwill (Detail) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | |
|---|---|---|---|
Jul. 31, 2019 |
Jan. 31, 2020 |
Jan. 31, 2019 |
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| Goodwill And Intangible Assets [Line Items] | |||
| Goodwill, beginning balance | $ 8,753 | $ 25,579 | |
| Cumulative translation adjustment | (278) | (1,324) | |
| Loss on Impairment | $ 0 | (15,502) | |
| Goodwill, ending balance | 9,775 | $ 8,753 | |
| Xstream A/S [Member] | |||
| Goodwill And Intangible Assets [Line Items] | |||
| Goodwill arising from the Xstream acquisition | $ 1,300 | ||
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- Definition Goodwill And Intangible Assets [Line Items] No definition available.
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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