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Note 1 - Basis of Presentation (Tables) | 9 Months Ended
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Sep. 30, 2021
Notes Tables |
Schedule of Cash and Cash Equivalents [Table Text Block] |
Cash, Cash Equivalents and Restricted Cash |  | September 30, 2021 |  |  | December 31, 2020 |  |  | September 30, 2020 |
(in thousands) |  |  |  |  |  |  |  |  |  |  |  |
Cash and Cash Equivalents |  | $ | 18,575 |  |  | $ | 7,290 |  |  | $ | 7,502 |
Restricted Cash |  |  | 10,340 |  |  |  | 134 |  |  |  | 134 |
Cash, Cash Equivalents and Restricted Cash in the Condensed Consolidated Statement of Cash Flows |  | $ | 28,915 |  |  | $ | 7,424 |  |  | $ | 7,636 |

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