Goodwill and Intangible Assets - Schedule of Amortization Expense of Intangible Assets in Cost of Revenue and Operating Expense (Detail) - USD ($) $ in Thousands |
12 Months Ended | |
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Jan. 31, 2019 |
Jan. 31, 2018 |
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Goodwill And Intangible Assets [Line Items] | ||
Amortization expense | $ 896 | $ 1,559 |
Cost of Product Revenue [Member] | ||
Goodwill And Intangible Assets [Line Items] | ||
Amortization expense | 28 | 106 |
Selling and Marketing [Member] | ||
Goodwill And Intangible Assets [Line Items] | ||
Amortization expense | 687 | 1,273 |
Research and Development [Member] | ||
Goodwill And Intangible Assets [Line Items] | ||
Amortization expense | $ 181 | $ 180 |
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- Definition Amortization expense charged to cost of product revenue and operating expense. No definition available.
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- Definition Goodwill And Intangible Assets [Line Items] No definition available.
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