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Leases - Summary of Supplemental Balance Sheet Information Related to Leases (Detail) - USD ($) $ in Thousands | Oct. 31, 2020 | Apr. 30, 2020
--- | --- | ---
Finance Leases: |  |
Property and equipment, at cost | $ 4,623 | $ 4,281
Accumulated depreciation | (2,003) | (1,485)
Property and equipment, net | 2,620 | $ 2,796
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] |  | us-gaap:PropertyPlantAndEquipmentNet
Other accrued liabilities | 1,084 | $ 1,241
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List] |  | us-gaap:OtherAccruedLiabilitiesCurrent
Other liabilities | 1,668 | $ 1,634
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] |  | us-gaap:OtherLiabilitiesNoncurrent
Total finance lease liabilities | $ 2,752 | $ 2,875
Weighted average remaining lease terms: |  |
Operating leases | 5 years 2 months 12 days | 5 years 6 months
Finance leases | 3 years | 2 years 10 months 24 days
Weighted average discount rate: |  |
Operating leases | 4.80% | 4.80%
Finance leases | 4.20% | 4.10%

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- Definition Present value of lessee's discounted obligation for lease payments from finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918701-209980 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977 + Details
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