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Note 1 - Summary of Significant Accounting Policies (Details Textual) - USD ($) $ in Thousands | May 15, 2025 | Mar. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | --- | --- | ---
Contract with Customer, Liability, Current |  | $ 341 | $ 556 | $ 430
Unbilled Receivables, Current |  | 13,488 | 18,625 | $ 21,488
Goodwill |  | $ 0 | $ 0 |
Subsequent Event [Member] |  |  |  |
Proceeds from Issuance of Private Placement | $ 4,025 |  |  |

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