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Note 2 - Investments - Schedule of Securities Pledged as Collateral (Details) - State and Local Government Public Deposits [Member] - Asset Pledged as Collateral [Member] $ in Thousands	Sep. 30, 2025 USD ($)
Investment Securities, Carrying Value	$ 22,377
Investment Securities, Amortized Cost	25,939
Investment Securities, Fair Value	$ 22,377

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- Definition

Represents the amortized cost of financial instruments.

+ References

No definition available.

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- Definition

The aggregate fair value as of the balance sheet date of financial instruments and other positions owned by the entity including: (1) mortgages, mortgage-backed and asset backed securities; (2) US government and agency obligations; (3) state and municipal government obligations; (4) other sovereign government debt; (5) corporate obligations; (6) corporate equities; (7) principal investments; (8) derivative contracts; and (9) physical commodities. Includes both pledged and unpledged holdings.

+ References

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- Definition

Cost of the investment.

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