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Note 2 - Cash, Cash Equivalents, and Restricted Cash (Tables) | 12 Months Ended
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Dec. 31, 2024
Notes Tables |
Schedule of Cash and Cash Equivalents [Table Text Block] |
|  | As of |
|  | December 31, 2024 |  |  | December 31, 2023 |
Cash and cash equivalents |  | $ | 898 |  |  | $ | 2,667 |
Restricted cash included in other current assets |  |  | 31 |  |  |  | 289 |
Restricted cash included in other assets |  |  | 2,902 |  |  |  | 3,324 |
Total cash, cash equivalents, and restricted cash shown in the statement of cash flows |  | $ | 3,831 |  |  | $ | 6,280 |

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