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Note 14 - Employee Benefit Plans (Details Textual) - USD ($) | 12 Months Ended | 36 Months Ended
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2022
Defined Benefit Plan Maximum Period Allocated for Calculating Average Compensation |  |  | 10 years
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year | $ 16,000 |  | $ 16,000
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), after Reclassification Adjustment, before Tax, Total | 9,951,000 |  |
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, after Tax, Total | $ 560,000 | $ 613,000 |
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay | 3.00% |  |
Defined Benefit Plan, Funded (Unfunded) Status of Plan, Total | $ (1,948,000) | (2,705,000) | (1,948,000)
Other Liabilities [Member] |  |  |
Defined Benefit Plan, Funded (Unfunded) Status of Plan, Total | $ 1,755,000 | 1,473,000 | $ 1,755,000
Louisville Hourly Plan [Member] |  |  |
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-Term Rate of Return on Plan Assets | 2.35% |  |
Marion Plan [Member] |  |  |
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-Term Rate of Return on Plan Assets | 3.40% |  |
Louisville Salaried Plan [Member] |  |  |
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-Term Rate of Return on Plan Assets | 2.65% |  |
Defined Contribution Plan [Member] |  |  |
Defined Contribution Plan, Cost | $ 404,000 | 361,000 |
Non US Employees Defined Benefit Plan [Member] |  |  |
Defined Benefit Plan, Plan Assets, Administration Expense | $ 253,000 | $ 232,000 |
Minimum [Member] |  |  |
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-Term Rate of Return on Plan Assets | 2.35% | 1.80% |
Minimum [Member] | Defined Benefit Plan, Equity Securities [Member] |  |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 0.00% |  | 0.00%
Minimum [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 35.00% |  | 35.00%
Minimum [Member] | Non Traditional Securities [Member] |  |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 0.00% |  | 0.00%
Maximum [Member] |  |  |
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-Term Rate of Return on Plan Assets | 3.40% | 2.95% |
Maximum [Member] | Defined Benefit Plan, Equity Securities [Member] |  |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 55.00% |  | 55.00%
Maximum [Member] | Fixed Income Securities [Member] |  |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 100.00% |  | 100.00%
Maximum [Member] | Non Traditional Securities [Member] |  |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 10.00% |  | 10.00%

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