Leases - Schedule of Other Information Related to Leases (Details) |
Apr. 30, 2021 |
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| Other Information | |
| Weighted average remaining lease term (in years) | 7 years 5 months 15 days |
| Weighted average discount rate | 12.00% |
| X | ||||||||||
- Definition Operating Lease, Other Information No definition available.
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| X | ||||||||||
- Definition Weighted average discount rate for operating lease calculated at point in time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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