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Note 4 - Supplementary Cash Flows Information (Tables) | 6 Months Ended
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Oct. 31, 2023
Notes Tables |
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] |
|  | Six Months Ended October 31, |
($ in thousands) |  | 2023 |  |  | 2022 |
Cash and cash equivalents |  | $ | 3,924 |  |  | $ | 12,668 |
Restricted cash |  |  | 305 |  |  |  | 305 |
Total cash, cash equivalents, and restricted cash shown in the Consolidated Condensed Statement of Cash Flows |  | $ | 4,229 |  |  | $ | 12,973 |
|  | Six Months Ended October 31, |
($ in thousands) |  | 2023 |  |  | 2022 |
State and local income tax payments |  | $ | 497 |  |  | $ | 650 |
Federal income tax payments |  | $ | 2,900 |  |  | $ | 3,127 |

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