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Note 4 - Supplementary Cash Flow Information (Tables) | 3 Months Ended
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Jul. 31, 2020
Notes Tables |
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] |
|  | Three Months Ended July 31, |
($ in thousands) |  | 2020 |  |  | 2019 |
Cash and cash equivalents |  | $ | 7,769 |  |  | $ | 3,718 |
Restricted cash |  |  | 469 |  |  |  | 469 |
Total cash, cash equivalents, and restricted cash shown in the Consolidated Condensed Statement of Cash Flows |  | $ | 8,238 |  |  | $ | 4,187 |
|  | Three Months Ended July 31, |
($ in thousands) |  | 2020 |  |  | 2019 |
State and local income tax payments |  | $ | 243 |  |  | $ | 49 |
Federal income tax payments to the Parent |  |  | 700 |  |  |  | - |

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