Note 13 - Fair Value and Interest Rate Risk - Financial Assets Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Available-for-sale securities	$ 44,830	$ 48,317
Interest rate swap receivable	1,295	694
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Available-for-sale securities	15,618	16,685
Corporate Debt Securities [Member]
Available-for-sale securities	15,495	17,313
Subordinated Notes [Member]
Available-for-sale securities	8,947	9,204
SBA Loan Pools [Member]
Available-for-sale securities	4,770	5,115
Fair Value, Recurring [Member]
Available-for-sale securities	44,830	48,317
Impaired PCI Loans, net	38	176
Contingent consideration liability	86	86
Interest rate swap receivable	1,295	694
Interest rate swap liability	1,295	694
Fair Value, Recurring [Member] \| Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Available-for-sale securities	15,618	16,685
Fair Value, Recurring [Member] \| Corporate Debt Securities [Member]
Available-for-sale securities	15,495	17,313
Fair Value, Recurring [Member] \| Subordinated Notes [Member]
Available-for-sale securities	8,947	9,204
Fair Value, Recurring [Member] \| SBA Loan Pools [Member]
Available-for-sale securities	4,770	5,115
Fair Value, Inputs, Level 1 [Member] \| Fair Value, Recurring [Member]
Available-for-sale securities
Impaired PCI Loans, net
Contingent consideration liability
Interest rate swap receivable
Interest rate 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] \| SBA Loan Pools [Member]
Available-for-sale securities
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Recurring [Member]
Available-for-sale securities	44,830	48,317
Impaired PCI Loans, net
Contingent consideration liability
Interest rate swap receivable	1,295	694
Interest rate swap liability	1,295	694
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Recurring [Member] \| Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Available-for-sale securities	15,618	16,685
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Recurring [Member] \| Corporate Debt Securities [Member]
Available-for-sale securities	15,495	17,313
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Recurring [Member] \| Subordinated Notes [Member]
Available-for-sale securities	8,947	9,204
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Recurring [Member] \| SBA Loan Pools [Member]
Available-for-sale securities	4,770	5,115
Fair Value, Inputs, Level 3 [Member] \| Fair Value, Recurring [Member]
Available-for-sale securities
Impaired PCI Loans, net	38	176
Contingent consideration liability	86	86
Interest rate swap receivable
Interest rate 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] \| SBA Loan Pools [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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

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

+ References

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-Publisher FASB
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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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