Goodwill and Intangible Assets - Schedule of Finite-Life Intangible Assets, Future Amortization Expense (Detail) - USD ($) $ in Thousands |
Apr. 30, 2018 |
Jan. 31, 2018 |
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| Goodwill And Intangible Assets Disclosure [Abstract] | ||
| 2019 (for the remaining nine months) | $ 700 | |
| 2020 | 337 | |
| 2021 | 4 | |
| Finite-life intangible assets, Net | $ 1,041 | $ 1,303 |
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- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized in the remainder of the fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. No definition available.
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- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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