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Note 11 - Related Party Transactions (Details Textual) - Affiliated Entity [Member] - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Tmg [Member] |  |
Related Party Transaction, Purchases from Related Party | $ 200 | $ 400
Revenues | 0 | 0
Accounts Receivable, after Allowance for Credit Loss | 0 | 0
Chart E&C [Member] |  |
Revenues | $ 600 | $ 700
Common Stock, Ownership Percentage | 7.90% |
Board of Directors Chairman [Member] | Tmg [Member] |  |
Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest |  | 50.00%

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