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Note 10 - Subordinated Debentures - Subordinated Notes (Details) $ in Thousands	9 Months Ended	21 Months Ended
	Sep. 30, 2025 USD ($)	Sep. 30, 2025 USD ($)
Face Value	$ 26,806	$ 26,806
Carrying value	$ 26,806	26,806
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]	Secured Overnight Financing Rate (SOFR) [Member]
Commonwealth Statutory Trust III [Member]
Face Value	$ 3,093	3,093
Carrying value	3,093	$ 3,093
Interest rate		2.85%
Commonwealth Statutory Trust IV [Member]
Face Value	12,372	$ 12,372
Carrying value	12,372	$ 12,372
Interest rate		1.35%
Commonwealth Statutory Trust V [Member]
Face Value	11,341	$ 11,341
Carrying value	$ 11,341	$ 11,341
Interest rate		1.40%

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

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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