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Note 4 - Supplementary Cash Flow Information (Tables) | 3 Months Ended
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Jul. 31, 2018
Notes Tables |
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] |
|  | Three months ended July 31, |
($ in thousands) |  | 2018 |  |  | 2017 |
Cash and cash equivalents |  | $ | 4,992 |  |  | $ | 6,309 |
Restricted cash |  |  | 469 |  |  |  | 469 |
Total cash, cash equivalents, and restricted cash shown in the Consolidated Condensed Statement of Cash Flows |  | $ | 5,461 |  |  | $ | 6,778 |
|  | Three months ended July 31, |
($ in thousands) |  | 2018 |  |  | 2017 |
State and local income tax payments |  | $ | 102 |  |  | $ | 27 |
Federal income tax payments to the Parent |  | $ | - |  |  | $ | - |

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