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Goodwill | 12 Months Ended
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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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