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Note 17 - Pension and Other Benefits - Schedule of Changes in Fair Value of Plan Assets (Details) - Pension Plan [Member] - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | --- | ---
Fair value | $ 15,704 | $ 14,614 | $ 13,257
Fair Value, Inputs, Level 1 [Member] |  |  |
Fair value | 15,704 | 14,614 |
Fair Value, Inputs, Level 2 [Member] |  |  |
Fair value | 0 | 0 |
Fair Value, Inputs, Level 3 [Member] |  |  |
Fair value | 0 | 0 |
Defined Benefit Plan, Cash [Member] |  |  |
Fair value | 393 | 201 |
Defined Benefit Plan, Cash [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |
Fair value | 393 | 201 |
Defined Benefit Plan, Cash [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |
Fair value | 0 | 0 |
Defined Benefit Plan, Cash [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Fair value | 0 | 0 |
Defined Benefit Plan, Equity Securities, US [Member] |  |  |
Fair value | 10,952 | 9,647 |
Defined Benefit Plan, Equity Securities, US [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |
Fair value | 10,952 | 9,647 |
Defined Benefit Plan, Equity Securities, US [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |
Fair value | 0 | 0 |
Defined Benefit Plan, Equity Securities, US [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Fair value | 0 | 0 |
Defined Benefit Plan, Equity Securities, Non-US [Member] |  |  |
Fair value | 475 | 654 |
Defined Benefit Plan, Equity Securities, Non-US [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |
Fair value | 475 | 654 |
Defined Benefit Plan, Equity Securities, Non-US [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |
Fair value | 0 | 0 |
Defined Benefit Plan, Equity Securities, Non-US [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Fair value | 0 | 0 |
Cash and Other Alternative Investments [Member] |  |  |
Fair value | 3,807 | 4,012 |
Cash and Other Alternative Investments [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |
Fair value | 3,807 | 4,012 |
Cash and Other Alternative Investments [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |
Fair value | 0 | 0 |
Cash and Other Alternative Investments [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Fair value | 0 | 0 |
Commodity Funds [Member] |  |  |
Fair value | 52 | 62 |
Commodity Funds [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |
Fair value | 52 | 62 |
Commodity Funds [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |
Fair value | 0 | 0 |
Commodity Funds [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Fair value | 0 | 0 |
Employee Benefit Plan, Real Estate [Member] |  |  |
Fair value | 25 | 38 |
Employee Benefit Plan, Real Estate [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |
Fair value | 25 | 38 |
Employee Benefit Plan, Real Estate [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |
Fair value | 0 | 0 |
Employee Benefit Plan, Real Estate [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Fair value | $ 0 | $ 0 |

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