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v3.25.1

Note 2 - Cash, Cash Equivalents, and Restricted Cash (Tables) | 3 Months Ended
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Mar. 31, 2025
Notes Tables |
Schedule of Cash and Cash Equivalents [Table Text Block] |
|  | As of |
|  | March 31, 2025 |  |  | December 31, 2024 |
Cash and cash equivalents |  | $ | 499 |  |  | $ | 898 |
Restricted cash included in other current assets |  |  | 2 |  |  |  | 31 |
Restricted cash included in other assets |  |  | 2,923 |  |  |  | 2,902 |
Total cash, cash equivalents, and restricted cash shown in the statement of cash flows |  | $ | 3,424 |  |  | $ | 3,831 |

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