Note 14 - Regulatory Matters - Capital Amounts and Ratios (Details) $ in Thousands	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)
Tier 1 (Core) Capital to average total assets Bank, actual amount	$ 106,045	$ 57,520
Tier 1 (Core) Capital to average total assets Bank, actual	0.0856	0.0967
Tier 1 (Core) Capital to average total assets Bank, to be well capitalized amount	$ 111,539	$ 53,531
Tier 1 (Core) Capital to average total assets Bank, ratio	0.09	0.09

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.

+ Details

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- Definition

Amount of total capital as defined by regulatory framework.

+ 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

+ Details

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- Definition

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

+ References

+ Details

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