Note 11 - Fair Value and Interest Rate Risk - Financial Assets Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Available-for-sale securities	$ 43,839	$ 39,496
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Available-for-sale securities	19,249	20,473
Corporate Debt Securities [Member]
Available-for-sale securities	16,065	12,974
Subordinated Notes [Member]
Available-for-sale securities	7,029	4,564
US Treasury Securities [Member]
Available-for-sale securities	1,496	1,485
Fair Value, Recurring [Member]
Available-for-sale securities	43,839	39,496
Impaired PCI Loans, net	417	615
Contingent consideration liability	86	707
Interest swap receivable	680	286
Interest swap liability	680	286
Fair Value, Recurring [Member] \| Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Available-for-sale securities	19,249	20,473
Fair Value, Recurring [Member] \| Corporate Debt Securities [Member]
Available-for-sale securities	16,065	12,974
Fair Value, Recurring [Member] \| Subordinated Notes [Member]
Available-for-sale securities	7,029	4,564
Fair Value, Recurring [Member] \| US Treasury Securities [Member]
Available-for-sale securities	1,496	1,485
Fair Value, Inputs, Level 1 [Member] \| Fair Value, Recurring [Member]
Available-for-sale securities
Impaired PCI Loans, net
Contingent consideration liability
Interest swap receivable
Interest swap 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] \| US Treasury Securities [Member]
Available-for-sale securities
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Recurring [Member]
Available-for-sale securities	43,839	39,496
Impaired PCI Loans, net
Contingent consideration liability
Interest swap receivable	680	286
Interest swap liability	680	286
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Recurring [Member] \| Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Available-for-sale securities	19,249	20,473
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Recurring [Member] \| Corporate Debt Securities [Member]
Available-for-sale securities	16,065	12,974
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Recurring [Member] \| Subordinated Notes [Member]
Available-for-sale securities	7,029	4,564
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Recurring [Member] \| US Treasury Securities [Member]
Available-for-sale securities	1,496	1,485
Fair Value, Inputs, Level 3 [Member] \| Fair Value, Recurring [Member]
Available-for-sale securities
Impaired PCI Loans, net	417	615
Contingent consideration liability	86	707
Interest swap receivable
Interest swap liability
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] \| US Treasury Securities [Member]
Available-for-sale securities

Fair value portion of impaired PCI loans receivables.

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- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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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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