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Goodwill	12 Months Ended
	Apr. 30, 2023
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	(8) Goodwill Goodwill in the amount of $8.5 million was recognized in November 2021 related to the acquisition of MAR. There have been no additions to or impairment of goodwill during the years ended April 30, 2023 and 2022.

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- Definition

The entire disclosure for goodwill.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482573/350-20-50-1

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-Topic 350
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 24
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-URI https://asc.fasb.org//1943274/2147482548/350-20-55-24

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
-SubTopic 20
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-URI https://asc.fasb.org//350-20/tableOfContent

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-Topic 350
-SubTopic 20
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-Section 50
-Paragraph 2
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