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Accrued Liabilities - Schedule of Accrued Liabilities (Details) - USD ($) $ in Thousands | Apr. 30, 2025 | Apr. 30, 2024
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Schedule Of Accrued Liabilities Abstract |  |
Vacation and other compensation | $ 1,575 | $ 1,519
Incentive compensation | 1,347 | 978
Payroll taxes | 712 | 370
Warranty reserve | 567 | 542
Commissions | 24 | 85
Deferred compensation payable | 634 | 600
Other | 1,040 | 671
| $ 5,899 | $ 4,765

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- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable for sales commissions. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(20)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 8 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483467/210-10-45-8 + Details
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- Definition Carrying value as of the balance sheet date of obligations incurred and payable for unused vacation time owed to employees based on the entity's vacation benefit given to its employees. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(20)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 710 -SubTopic 10 -Section 25 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483070/710-10-25-3 + Details
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