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Intangible Assets (Tables) | 12 Months Ended
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Apr. 30, 2024
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Components of Intangible Assets | The components of intangible assets, net as of April 30, 2024 and 2023 consisted of the following: Schedule of Components of Intangible Assets
|  | April 30, 2024 |  |  | April 30, 2023 |
|  | (in thousands) |
Patents |  | $ | 2,729 |  |  | $ | 2,729 |
Trademarks |  |  | 2,769 |  |  |  | 2,769 |
Tradename |  |  | — |  |  |  | 130 |
Customer Relationships |  |  | — |  |  |  | 150 |
Intangible assets, gross |  |  | 5,498 |  |  |  | 5,778 |
Accumulated amortization |  |  | (1,876 | ) |  |  | (1,800 | )
Intangible assets, net |  | $ | 3,622 |  |  | $ | 3,978 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 + Details
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