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Schedule of Inventory (Details) - USD ($) $ in Thousands	Jan. 31, 2025	Apr. 30, 2024
Inventory Disclosure [Abstract]
Raw Materials	$ 3,254	$ 4,298
Work in Process	695	397
Finished Products		136
Inventory, net	$ 3,949	$ 4,831

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 852
-SubTopic 10
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-Section 55
-Paragraph 10
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-URI https://asc.fasb.org/1943274/2147481372/852-10-55-10

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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(6))
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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(6)(a)(4))
-Publisher FASB
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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
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