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Leases - Summary of Supplemental Balance Sheet Information Related to Leases (Detail) - USD ($) $ in Thousands | Jul. 31, 2021 | Apr. 30, 2021
--- | --- | ---
Finance Leases: |  |
Property and equipment, at cost | $ 5,015 | $ 4,801
Accumulated depreciation | (2,759) | (2,590)
Property and equipment, net | $ 2,256 | $ 2,211
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] | us-gaap:OtherAssets | us-gaap:OtherAssets
Other accrued liabilities | $ 1,051 | $ 1,010
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] | us-gaap:OtherLiabilitiesCurrent | us-gaap:OtherLiabilitiesCurrent
Other liabilities | $ 1,319 | $ 1,301
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] | Other liabilities | Other liabilities
Total finance lease liabilities | $ 2,370 | $ 2,311
Weighted average remaining lease terms: |  |
Operating leases | 4 years 9 months 18 days | 5 years
Finance leases | 2 years 8 months 12 days | 2 years 8 months 12 days
Weighted average discount rate: |  |
Operating leases | 4.80% | 4.80%
Finance leases | 3.90% | 4.20%

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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=123408670&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=123391704&loc=SL77918627-209977 + Details
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