Sale-Leaseback Financing Transaction - Narrative (Details) $ in Thousands	12 Months Ended
Apr. 30, 2026 USD ($) renewalOption	Apr. 30, 2025 USD ($)
Property, Plant, and Equipment, Lessor Asset under Operating Lease [Line Items]
Term of agreement	20 years
Number of renewal options \| renewalOption	4
Renewal term	5 years
Initial basic monthly rent	$ 158
Annual rental increase, as a percent	2.00%
Discount rate	4.75%
Gain (loss) on sale leaseback agreement	$ 0
Total	26,632	$ 27,420
Financing liability, debt issuance costs, net	533	589
Current portion of financing liability	867	788
Long-term portion of financing liability	25,765	26,632
Interest expense on financing liability	1,219	1,255
Property plant and equipment gross	$ 74,375	71,983
Building
Property, Plant, and Equipment, Lessor Asset under Operating Lease [Line Items]
Useful Life (in years)	20 years
Land
Property, Plant, and Equipment, Lessor Asset under Operating Lease [Line Items]
Property plant and equipment gross	$ 41	$ 41

Financing Liability

No definition available.

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- Definition

Financing Liability, Annual Increase, Percent

+ References

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- Definition

Financing Liability, Basic Monthly Payment

+ References

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- Definition

Financing Liability, Current

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- Definition

Financing Liability, Debt Issuance Costs, Net

+ References

No definition available.

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- Definition

Financing Liability, Noncurrent

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- Definition

Financing Liability, Number of Renewal Options

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- Definition

Financing Liability, Renewal Term

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- Definition

Financing Liability, Term of Contract

+ References

No definition available.

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- Definition

Interest Expense, Financing Liability

+ References

No definition available.

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- Definition

Discount rate used by lessee to determine present value of finance lease payments.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-3

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- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Amount of gain (loss) on sale and leaseback transaction from transfer of asset accounted for as sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
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