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Note 17 - Lease Commitments (Tables) | 12 Months Ended
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Dec. 31, 2020
Notes Tables |
Assets and Liabilities, Lessee [Table Text Block] |
| Classification in the Consolidated Balance Sheet |  | 2020 |  |  | 2019 |
Operating lease right-of-use asset | Other assets |  | $ | 347 |  |  | $ | 325 |
Operating lease liability | Accrued interest payable and other liabilities |  |  | 341 |  |  |  | 321 |
Lease, Cost [Table Text Block] |
|  | 2020 |  |  | 2019 |
Weighted average remaining lease term, in years |  |  | 3.2 |  |  |  | 2.9 |
Weighted average discount rate |  |  | 1.72 | % |  |  | 2.60 | %
|  | 2020 |  |  | 2019 |
Lease Expense |  |  |  |  |  |  |  |
Operating lease expense |  | $ | 135 |  |  | $ | 133 |
Short-term lease expense |  |  | 2 |  |  |  | 4 |
Total lease expense (1) |  | $ | 137 |  |  | $ | 137 |
Cash paid for amounts included in lease liability |  | $ | 138 |  |  | $ | 136 |
Lessee, Operating Lease, Liability, Maturity [Table Text Block] |
Twelve months ending December 31, 2021 |  | $ | 139 |
Twelve months ending December 31, 2022 |  |  | 115 |
Twelve months ending December 31, 2023 |  |  | 42 |
Twelve months ending December 31, 2024 |  |  | 31 |
Twelve months ending December 31, 2025 |  |  | 21 |
Total undiscounted cash flows |  | $ | 348 |
Less: discount |  |  | (7 | )
Operating lease liability |  | $ | 341 |

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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980 + Details
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- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918701-209980 + Details
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