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Note 7 - Related Party Transactions (Tables) | 6 Months Ended
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Oct. 31, 2024
Notes Tables |
Schedule of Non Voting Revenues Interest and Non Voting Profits Interests [Table Text Block] |
|  | Three Months Ended October 31, |  |  | Six Months Ended October 31, |
($ in thousands) |  | 2024 |  |  | 2023 |  |  | 2024 |  |  | 2023 |
Non-voting revenues interest in EAM |  | $ | 4,046 |  |  | $ | 2,721 |  |  | $ | 7,726 |  |  | $ | 5,337 |
Non-voting profits interest in EAM |  |  | 584 |  |  |  | 274 |  |  |  | 1,145 |  |  |  | 515 |
|  | $ | 4,630 |  |  | $ | 2,995 |  |  | $ | 8,871 |  |  | $ | 5,852 |

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