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Note 13 - Retirement Fund and Profit Sharing Plan (Tables) | 12 Months Ended
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Dec. 31, 2019
Notes Tables |
Schedule of Net Benefit Costs [Table Text Block] |
|  | Year Ended December 31, |
|  | 2019 |  |  | 2018 |
Service Cost |  | $ | 576 |  |  | $ | 732 |
Interest Cost |  |  | 739 |  |  |  | 664 |
Net amortization |  |  | 192 |  |  |  | 443 |
Net periodic benefit cost |  | $ | 1,507 |  |  | $ | 1,839 |
Defined Benefit Plan, Plan with Projected Benefit Obligation in Excess of Plan Assets [Table Text Block] |
|  | Year Ended December 31, |
|  | 2019 |  |  | 2018 |
Fair value of plan assets, January 1 |  | $ | - |  |  | $ | - |
Company contributions |  |  | 430 |  |  |  | 325 |
Benefits paid |  |  | (430 | ) |  |  | (325 | )
Fair value of plan assets, December 31 |  | $ | - |  |  | $ | - |
Benefit obligation, January 1 |  | $ | 18,676 |  |  | $ | 19,134 |
Service cost |  |  | 576 |  |  |  | 732 |
Interest cost |  |  | 739 |  |  |  | 664 |
Benefits paid |  |  | (430 | ) |  |  | (325 | )
Plan amendments |  |  | - |  |  |  | 39 |
Actuarial (gains) losses |  |  | 1,980 |  |  |  | (1,568 | )
Benefit obligation, December 31 |  |  | 21,541 |  |  |  | 18,676 |
Underfunded status, December 31 |  | $ | (21,541 | ) |  | $ | (18,676 | )
Schedule of Expected Benefit Payments [Table Text Block] |
Year Ending |  |  |  |  |
December 31, |  |  |  |  |
2020 |  |  | $ | 662 |
2021 |  |  |  | 890 |
2022 |  |  |  | 893 |
2023 |  |  |  | 932 |
2024 |  |  |  | 968 |
2025 - 2029 |  |  |  | 5,432 |
Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block] |
|  | December 31, |
|  | 2019 |  |  | 2018 |
Prior service cost |  | $ | 738 |  |  | $ | 918 |
Net loss |  |  | 1,965 |  |  |  | 1,977 |
|  | $ | 2,703 |  |  | $ | 2,895 |
Defined Benefit Plan, Assumptions [Table Text Block] |
|  | Year Ended December 31, |
|  | 2019 |  |  | 2018 |
Net periodic benefit cost: |  |  |  |  |  |  |  |
Discount rate |  |  | 4.00 | % |  |  | 3.50 | %
Rate of compensation increase |  |  | 2.50 | % |  |  | 3.00 | %
Benefit obligation: |  |  |  |  |  |  |  |
Discount rate |  |  | 3.00 | % |  |  | 4.00 | %
Rate of compensation increase |  |  | 2.50 | % |  |  | 2.50 | %

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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=118255775&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of assumption used to determine benefit obligation and net periodic benefit cost of defined benefit plan. Includes, but is not limited to, discount rate, rate of compensation increase, expected long-term rate of return on plan assets and interest crediting rate. + 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 (k) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of benefits expected to be paid by pension plans and/or other employee benefit plans in each of the next five fiscal years and in the aggregate for the five fiscal years thereafter. + 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 (f) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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