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Note 1 - Summary of Significant Accounting Policies (Details Textual) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020
Cash Accounts [Member] |  |
Cash, Uninsured Amount | $ 7,100 |
Cash Held by FRB and FHLB [Member] |  |
Cash, Uninsured Amount | 13,000 |
Derivative [Member] |  |
Financial Instruments, Owned and Pledged as Collateral, at Fair Value | $ 3,900 | $ 3,900
Premises and Equipment [Member] | Minimum [Member] |  |
Property, Plant and Equipment, Useful Life (Year) | 15 years |
Premises and Equipment [Member] | Maximum [Member] |  |
Property, Plant and Equipment, Useful Life (Year) | 39 years |
Furniture and Equipment [Member] | Minimum [Member] |  |
Property, Plant and Equipment, Useful Life (Year) | 2 years |
Furniture and Equipment [Member] | Maximum [Member] |  |
Property, Plant and Equipment, Useful Life (Year) | 10 years |
SBA CARES Act Paycheck Protection Program [Member] |  |
Financing Receivable, Principal and Interest Deferred Payments | $ 927 |

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- Definition The fair value as of the balance sheet date of financial instruments and other positions owned by the entity and pledged to counterparties as collateral, including: (1) mortgages, mortgage-backed and asset backed securities; (2) US government and agency obligations; (3) state and municipal government obligations; (4) other sovereign government debt; (5) corporate obligations; (6) corporate equities; (7) principal investments; (8) derivative contracts; and (9) physical commodities. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66007379&loc=d3e113888-111728 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 50 -Paragraph 1A -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=109249958&loc=SL6224234-111729 + Details
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