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Note 4 - Supplementary Cash Flows Information (Tables) | 9 Months Ended
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Jan. 31, 2022
Notes Tables |
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] |
|  | Nine Months Ended January 31, |
($ in thousands) |  | 2022 |  |  | 2021 |
Cash and cash equivalents |  | $ | 29,909 |  |  | $ | 16,182 |
Restricted cash |  |  | 305 |  |  |  | 469 |
Total cash, cash equivalents, and restricted cash shown in the Consolidated Condensed Statement of Cash Flows |  | $ | 30,214 |  |  | $ | 16,651 |
|  | Nine Months Ended January 31, |
($ in thousands) |  | 2022 |  |  | 2021 |
State and local income tax payments |  | $ | 544 |  |  | $ | 1,139 |
Federal income tax payments to the Parent |  |  | 2,300 |  |  |  | 5,210 |

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