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Note 10 - Benefit Plans (Tables) | 12 Months Ended
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Dec. 31, 2023
Notes Tables |
Schedule of Defined Benefit Plans Disclosures [Table Text Block] |
|  | December 31, |
|  | 2023 |  |  | 2022 |
Changes in benefit obligation: |  |  |  |  |  |  |  |
Benefit obligation at beginning of year |  | $ | 12,993 |  |  | $ | 15,523 |
Service cost |  |  | 21 |  |  |  | 203 |
Interest cost |  |  | 637 |  |  |  | 401 |
Actuarial (gain) loss |  |  | 229 |  |  |  | (3,031 | )
Benefits paid |  |  | (280 | ) |  |  | (103 | )
Benefit obligation at end of year |  |  | 13,600 |  |  |  | 12,993 |
Changes in plan assets: |  |  |  |  |  |  |  |
Employer contributions |  |  | 280 |  |  |  | 103 |
Benefits paid |  |  | (280 | ) |  |  | (103 | )
Fair value of plan assets at end of year |  |  | - |  |  |  | - |
Funded status at end of year |  | $ | (13,600 | ) |  | $ | (12,993 | )
Amounts recognized in balance sheets: |  |  |  |  |  |  |  |
Other current liabilities |  | $ | (316 | ) |  | $ | (129 | )
Long-term pension liability |  |  | (13,284 | ) |  |  | (12,864 | )
Net amount recognized |  | $ | (13,600 | ) |  | $ | (12,993 | )
Amounts recognized in accumulated other comprehensive loss consist of: |  |  |  |  |  |  |  |
Net actuarial loss |  | $ | 1,964 |  |  | $ | 1,953 |
Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets [Table Text Block] |
|  | December 31, |
|  | 2023 |  |  | 2022 |
Projected benefit obligation |  | $ | 13,600 |  |  | $ | 12,993 |
Fair value of plan assets |  |  | - |  |  |  | - |
Underfunded |  | $ | 13,600 |  |  | $ | 12,993 |
Schedule of Net Benefit Costs [Table Text Block] |
|  | Years Ended December 31, |
|  | 2023 |  |  | 2022 |
Service cost on benefits earned during the period |  | $ | 21 |  |  | $ | 203 |
Interest cost on projected benefit obligation |  |  | 637 |  |  |  | 401 |
Recognized actuarial loss |  |  | 218 |  |  |  | 1,715 |
Net periodic pension cost after settlements |  | $ | 876 |  |  | $ | 2,319 |
Defined Benefit Plan, Assumptions [Table Text Block] |
|  | Discount Rate |  |  | Long Term Rate of Return |  |  | Salary Scale |
2022 |  |  | 4.93 | % |  |  | N/A |  |  |  | 3.00 | %
2023 |  |  | 4.73 | % |  |  | N/A |  |  |  | 3.00 | %
|  | Discount Rate |  |  | Long Term Rate of Return |  |  | Salary Scale |
2022 |  |  | 2.59 | % |  |  | N/A |  |  |  | 3.00 | %
2023 |  |  | 4.93 | % |  |  | N/A |  |  |  | 3.00 | %
Schedule of Expected Benefit Payments [Table Text Block] |
Year |  |  | Projected Benefit Payments |
2024 |  |  | $ | 324 |
2025 |  |  |  | 1,537 |
2026 |  |  |  | 977 |
2027 |  |  |  | 985 |
2028 |  |  |  | 975 |
2029-2033 |  |  |  | 4,733 |

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- Definition Tabular disclosure of one or more of the entity's defined benefit pension plans or one or more other defined benefit postretirement plans, separately for pension plans and other postretirement benefit plans including the entity's schedule of fair value of plan assets for defined benefit or other postretirement plans. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 20 -Topic 715 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-17 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-3 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-4 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-2 + Details
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