Note 5 - Fair Value Presentation - Fair Value Measured on a Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Available-for-sale	$ 57,021	$ 57,954
Collateralized Mortgage-Backed Securities [Member]
Available-for-sale	15,634	16,053
Subordinated Debt [Member]
Available-for-sale	11,005	11,206
Preferred Stocks [Member]
Available-for-sale	471	468
Taxable Municipal Bonds [Member]
Available-for-sale	7,670	7,689
Nontaxable Municipal Bonds [Member]
Available-for-sale	20,204	20,451
US Government Agencies Debt Securities [Member]
Available-for-sale	2,037	2,087
Fair Value, Recurring [Member]
Total	67,121	67,885
Total	10,100	9,931
Fair Value, Recurring [Member] \| Interest Rate Swap [Member]
Derivative asset – interest rate swap on loans	10,100	9,931
Derivative liability – interest rate swaps on loans	10,100	9,931
Fair Value, Recurring [Member] \| Collateralized Mortgage-Backed Securities [Member]
Available-for-sale	15,634	16,053
Fair Value, Recurring [Member] \| Subordinated Debt [Member]
Available-for-sale	11,005	11,206
Fair Value, Recurring [Member] \| Preferred Stocks [Member]
Available-for-sale	471	468
Fair Value, Recurring [Member] \| Taxable Municipal Bonds [Member]
Available-for-sale	7,670	7,689
Fair Value, Recurring [Member] \| Nontaxable Municipal Bonds [Member]
Available-for-sale	20,204	20,451
Fair Value, Recurring [Member] \| US Government Agencies Debt Securities [Member]
Available-for-sale	2,037	2,087
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member]
Total	0	0
Total	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member] \| Interest Rate Swap [Member]
Derivative asset – interest rate swap on loans	0	0
Derivative liability – interest rate swaps on loans	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member] \| Collateralized Mortgage-Backed Securities [Member]
Available-for-sale	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member] \| Subordinated Debt [Member]
Available-for-sale	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member] \| Preferred Stocks [Member]
Available-for-sale	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member] \| Taxable Municipal Bonds [Member]
Available-for-sale	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member] \| Nontaxable Municipal Bonds [Member]
Available-for-sale	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member] \| US Government Agencies Debt Securities [Member]
Available-for-sale	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Total	65,900	66,667
Total	10,100	9,931
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Interest Rate Swap [Member]
Derivative asset – interest rate swap on loans	10,100	9,931
Derivative liability – interest rate swaps on loans	10,100	9,931
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Collateralized Mortgage-Backed Securities [Member]
Available-for-sale	15,634	16,053
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Subordinated Debt [Member]
Available-for-sale	10,255	10,456
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Preferred Stocks [Member]
Available-for-sale	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Taxable Municipal Bonds [Member]
Available-for-sale	7,670	7,689
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Nontaxable Municipal Bonds [Member]
Available-for-sale	20,204	20,451
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| US Government Agencies Debt Securities [Member]
Available-for-sale	2,037	2,087
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Total	1,221	1,218
Total	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member] \| Interest Rate Swap [Member]
Derivative asset – interest rate swap on loans	0	0
Derivative liability – interest rate swaps on loans	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member] \| Collateralized Mortgage-Backed Securities [Member]
Available-for-sale	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member] \| Subordinated Debt [Member]
Available-for-sale	750	750
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member] \| Preferred Stocks [Member]
Available-for-sale	471	468
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member] \| Taxable Municipal Bonds [Member]
Available-for-sale	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member] \| Nontaxable Municipal Bonds [Member]
Available-for-sale	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member] \| US Government Agencies Debt Securities [Member]
Available-for-sale	$ 0	$ 0

Fair value portion of asset recognized for present right to economic benefit.

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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).

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- Definition

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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