Note 13 - Subordinated Debt (Details Textual) - USD ($)	Aug. 30, 2024	Mar. 31, 2026
Secured Overnight Financing Rate (SOFR) [Member]
Debt Instrument [Line Items]
Debt instrument basis point and interest rate	5.45%
Subordinated Debt [Member]
Debt Instrument [Line Items]
Issued of aggregate principal amount	$ 40,000,000
Debt instrument maturity date	Sep. 01, 2034
Interest fixed annual rate	8.875%
Debt instrument, frequency of periodic payment	semi-annually
Unamortized origination costs		$ 682,000
Subordinated Debt [Member] \| Fixed to Floating Rate [Member]
Debt Instrument [Line Items]
Debt instrument basis point and interest rate	8.875%

Unamortized origination costs.

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

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

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