Operating Leases - Schedule of Supplemental Cash Flow Information Related to Operating Leases (Detail) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended |
|---|---|---|
Jul. 31, 2020 |
Jul. 31, 2020 |
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| Cash paid for amounts included in the measurement of lease liabilities | ||
| Operating cash flows from operating leases | $ 244 | $ 566 |
| X | ||||||||||
- Definition Cash paid for amounts included in measurement of lease liabilities. No definition available.
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| X | ||||||||||
- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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