Note 8 - Loans Receivable, Net and Allowance for Credit Losses (Details Textual)	12 Months Ended
Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Mar. 29, 2024 USD ($)
Troubled Debt Restructuring, Number of Contracts	1
Mortgage Loans in Process of Foreclosure, Amount	$ 655,000
Financing Receivable, Nonaccrual, Interest Income	0	$ 0
Financing Receivable, Nonaccrual, Interest Income, Foregone	456,000	$ 564,000
Extended Maturity and Principal Forgiveness [Member] \| Commercial Business Loan [Member]
Financing Receivable, Excluding Accrued Interest, Modified, Accumulated	34,000
Financing Receivable, Excluding Accrued Interest, Modified, Increase (Decrease) from Modification	$ (2,000)
Financing Receivable, Excluding Accrued Interest, Modified in Period, to Total Financing Receivables, Percentage	0.01%
Oakmont Capital Holdings, LLC [Member]
Number of Loans Retained	24	30	60
Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net	$ 854,000	$ 2,600,000	$ 4,400,000

Amount of interest income foregone on financing receivable on nonaccrual status.

No definition available.

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Data Type:	xbrli:monetaryItemType
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- Definition

Represents the number of loans retained.

+ References

No definition available.

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- Definition

The total number of troubled debt restructurings.

+ References

No definition available.

+ Details

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- Definition

Amount classified as accounts, notes and loans receivable attributable to disposal group held for sale or disposed of.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 10
-SubTopic 20
-Topic 205
-Publisher FASB
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-Paragraph 11
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483475/205-20-45-11

+ Details

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- Definition

Accumulated amortized cost excluding accrued interest, of financing receivable modified for debtor experiencing financial difficulty.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-42

+ Details

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- Definition

Amount of increase (decrease) in amortized cost excluding accrued interest, of financing receivable modified for debtor experiencing financial difficulty.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-42

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- Definition

Percentage, excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty to total financing receivables.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-42

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- Definition

Amount of interest income on financing receivable on nonaccrual status.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (b)
-Publisher FASB
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- Definition

Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 35
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-35

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