Note 14 - Regulatory Matters (Details Textual)	Dec. 31, 2025	Dec. 31, 2024
Banking Regulation, Tier 1 Leverage Capital Ratio, Well Capitalized, Minimum	0.05
Banking Regulation, Common Equity Tier 1 Risk-Based Capital Ratio, Well Capitalized, Minimum	0.065
Banking Regulation, Tier 1 Risk-Based Capital Ratio, Well Capitalized, Minimum	0.08
Banking Regulation, Total Risk-Based Capital Ratio, Well Capitalized, Minimum	0.10
Banking Regulation, Community Bank Leverage Ratio, Well Capitalized, Minimum	0.09	0.09
Banking Regulation, Community Bank Leverage Ratio, Actual	0.0856	0.0967
Banking Regulation, Tier 1 Leverage Capital Ratio, Well Capitalized, Grace Period, Minimum	0.08

Ratio of Tier 1 capital to average assets as defined by regulatory framework.

No definition available.

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- Definition

Ratio of minimum Tier 1 leverage capital to average assets categorized as well capitalized as defined by regulatory framework for prompt corrective action.

+ References

No definition available.

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- Definition

Ratio of the grace period minimum Tier 1 risk-based capital to risk-weighted assets categorized as well capitalized as defined by regulatory framework for prompt corrective action.

+ References

No definition available.

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- Definition

Ratio of minimum Common Equity Tier 1 risk-based capital to risk-weighted assets categorized as well capitalized as defined by regulatory framework for prompt corrective action.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477270/942-505-50-1

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Ratio of minimum total risk-based capital to risk-weighted assets categorized as well capitalized as defined by regulatory framework for prompt corrective action.

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Ratio of minimum Tier 1 leverage capital to average assets categorized as well capitalized as defined by regulatory framework for prompt corrective action.

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Ratio of minimum Tier 1 risk-based capital to risk-weighted assets categorized as well capitalized as defined by regulatory framework for prompt corrective action.

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