Note 21 - Fair Value and Interest Rate Risk - Financial Assets Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Available-for-sale securities	$ 49,262	$ 48,317
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Available-for-sale securities	16,833	16,685
Corporate Debt Securities [Member]
Available-for-sale securities	17,290	17,313
Subordinated Notes [Member]
Available-for-sale securities	9,005	9,204
SBA Loan Pools [Member]
Available-for-sale securities	5,567	5,115
US States and Political Subdivisions Debt Securities [Member]
Available-for-sale securities	567
Fair Value, Recurring [Member]
Available-for-sale securities	49,262	48,317
Interest rate swap receivable	1,187	694
Interest rate swap liability	1,187	694
Impaired PCI Loans, net		176
Contingent consideration liability		86
Fair Value, Recurring [Member] \| Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Available-for-sale securities	16,833	16,685
Fair Value, Recurring [Member] \| Corporate Debt Securities [Member]
Available-for-sale securities	17,290	17,313
Fair Value, Recurring [Member] \| Subordinated Notes [Member]
Available-for-sale securities	9,005	9,204
Fair Value, Recurring [Member] \| SBA Loan Pools [Member]
Available-for-sale securities	5,567	5,115
Fair Value, Recurring [Member] \| US States and Political Subdivisions Debt Securities [Member]
Available-for-sale securities	567
Fair Value, Inputs, Level 1 [Member] \| Fair Value, Recurring [Member]
Available-for-sale securities
Interest rate swap receivable
Interest rate swap liability
Impaired PCI Loans, net
Contingent consideration liability
Fair Value, Inputs, Level 1 [Member] \| Fair Value, Recurring [Member] \| Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Available-for-sale securities
Fair Value, Inputs, Level 1 [Member] \| Fair Value, Recurring [Member] \| Corporate Debt Securities [Member]
Available-for-sale securities
Fair Value, Inputs, Level 1 [Member] \| Fair Value, Recurring [Member] \| Subordinated Notes [Member]
Available-for-sale securities
Fair Value, Inputs, Level 1 [Member] \| Fair Value, Recurring [Member] \| SBA Loan Pools [Member]
Available-for-sale securities
Fair Value, Inputs, Level 1 [Member] \| Fair Value, Recurring [Member] \| US States and Political Subdivisions Debt Securities [Member]
Available-for-sale securities
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Recurring [Member]
Available-for-sale securities	49,262	48,317
Interest rate swap receivable	1,187	694
Interest rate swap liability	1,187	694
Impaired PCI Loans, net
Contingent consideration liability
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Recurring [Member] \| Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Available-for-sale securities	16,833	16,685
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Recurring [Member] \| Corporate Debt Securities [Member]
Available-for-sale securities	17,290	17,313
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Recurring [Member] \| Subordinated Notes [Member]
Available-for-sale securities	9,005	9,204
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Recurring [Member] \| SBA Loan Pools [Member]
Available-for-sale securities	5,567	5,115
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Recurring [Member] \| US States and Political Subdivisions Debt Securities [Member]
Available-for-sale securities	567
Fair Value, Inputs, Level 3 [Member] \| Fair Value, Recurring [Member]
Available-for-sale securities
Interest rate swap receivable
Interest rate swap liability
Impaired PCI Loans, net		176
Contingent consideration liability		86
Fair Value, Inputs, Level 3 [Member] \| Fair Value, Recurring [Member] \| Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Available-for-sale securities
Fair Value, Inputs, Level 3 [Member] \| Fair Value, Recurring [Member] \| Corporate Debt Securities [Member]
Available-for-sale securities
Fair Value, Inputs, Level 3 [Member] \| Fair Value, Recurring [Member] \| Subordinated Notes [Member]
Available-for-sale securities
Fair Value, Inputs, Level 3 [Member] \| Fair Value, Recurring [Member] \| SBA Loan Pools [Member]
Available-for-sale securities
Fair Value, Inputs, Level 3 [Member] \| Fair Value, Recurring [Member] \| US States and Political Subdivisions Debt Securities [Member]
Available-for-sale securities

Fair value portion of impaired PCI loans receivables.

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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-Publisher FASB
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Fair value of contingent consideration in a business combination that is classified in shareholders' equity.

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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