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Note 8 - Subordinated Debt (Details Textual) - USD ($) $ in Thousands	Jun. 29, 2020	Jun. 30, 2021	Dec. 31, 2020	Oct. 30, 2015
Subordinated Loan Agreement Note [Member]
Debt Instrument, Face Amount				$ 5,000
Debt Instrument, Interest Rate, Stated Percentage				6.75%
Subordinated Term Note Due 2030 [Member]
Debt Instrument, Face Amount	$ 5,000
Debt Instrument, Interest Rate, Stated Percentage	5.50%
Debt Issuance Costs, Net, Total		$ 8	$ 9
Subordinated Term Note Due 2030 [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Debt Instrument, Basis Spread on Variable Rate	5.10%

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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