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Note 11 - Retirement Fund and Profit Sharing Plan (Tables) | 9 Months Ended
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Sep. 30, 2021
Notes Tables |
Schedule of Net Benefit Costs [Table Text Block] |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, |  |  | September 30, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Service cost |  | $ | 169 |  |  | $ | 150 |  |  | $ | 508 |  |  | $ | 450 |
Interest cost |  |  | 135 |  |  |  | 159 |  |  |  | 405 |  |  |  | 477 |
Net amortization |  |  | 127 |  |  |  | 86 |  |  |  | 382 |  |  |  | 258 |
Net periodic benefit cost |  | $ | 431 |  |  | $ | 395 |  |  | $ | 1,295 |  |  | $ | 1,185 |
Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block] |
|  | September 30, |  |  | December 31, |
|  | 2021 |  |  | 2020 |
Prior service cost |  | $ | 492 |  |  | $ | 586 |
Net loss |  |  | 1,487 |  |  |  | 1,773 |
|  | $ | 1,979 |  |  | $ | 2,359 |

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- Definition Tabular disclosure of the net gain (loss) and net prior service cost or credit recognized in other comprehensive income (loss) for the period for pension plans and/or other employee benefit plans, and reclassification adjustments of other comprehensive income (loss) for the period, as those amounts, including amortization of the net transition asset or obligation, are recognized as components of net periodic benefit cost. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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