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Schedule of Inventory (Details) - USD ($) $ in Thousands	Apr. 30, 2023	Apr. 30, 2022
Inventory Disclosure [Abstract]
Raw Materials	$ 1,044	$ 198
Work in Process		244
Inventory, net	$ 1,044	$ 442

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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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-Topic 210
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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
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-Paragraph 1
-Subparagraph (SX 210.5-02(6)(a)(4))
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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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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)(3))
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