Note 3 - Loans Receivable - Collateral Dependent Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Loans, individually evaluated	$ 31,000	$ 35,800
Single Family Residence [Member]
Loans, individually evaluated	6,349	9,263
Condominium [Member]
Loans, individually evaluated	8,120	11,384
Multifamily [Member]
Loans, individually evaluated	5,279
Office Building [Member]
Loans, individually evaluated	6,676
Gas Station [Member]
Loans, individually evaluated	4,091
Business Assets [Member]
Loans, individually evaluated	266	604
Collateral Pledged [Member]
Loans, individually evaluated	30,781	33,246
Warehouse [Member]
Loans, individually evaluated		11,995
Real Estate Portfolio Segment [Member] \| One-to-four Family Loan [Member] \| Single Family Residence [Member]
Loans, individually evaluated	1,363	1,113
Real Estate Portfolio Segment [Member] \| One-to-four Family Loan [Member] \| Condominium [Member]
Loans, individually evaluated	0	0
Real Estate Portfolio Segment [Member] \| One-to-four Family Loan [Member] \| Multifamily [Member]
Loans, individually evaluated	0
Real Estate Portfolio Segment [Member] \| One-to-four Family Loan [Member] \| Office Building [Member]
Loans, individually evaluated	0
Real Estate Portfolio Segment [Member] \| One-to-four Family Loan [Member] \| Gas Station [Member]
Loans, individually evaluated	0
Real Estate Portfolio Segment [Member] \| One-to-four Family Loan [Member] \| Business Assets [Member]
Loans, individually evaluated	0	0
Real Estate Portfolio Segment [Member] \| One-to-four Family Loan [Member] \| Collateral Pledged [Member]
Loans, individually evaluated	1,363	1,113
Real Estate Portfolio Segment [Member] \| One-to-four Family Loan [Member] \| Warehouse [Member]
Loans, individually evaluated		0
Real Estate Portfolio Segment [Member] \| Commercial Real Estate [Member] \| Single Family Residence [Member]
Loans, individually evaluated	0	0
Real Estate Portfolio Segment [Member] \| Commercial Real Estate [Member] \| Condominium [Member]
Loans, individually evaluated	0	0
Real Estate Portfolio Segment [Member] \| Commercial Real Estate [Member] \| Multifamily [Member]
Loans, individually evaluated	0
Real Estate Portfolio Segment [Member] \| Commercial Real Estate [Member] \| Office Building [Member]
Loans, individually evaluated	6,676
Real Estate Portfolio Segment [Member] \| Commercial Real Estate [Member] \| Gas Station [Member]
Loans, individually evaluated	4,091
Real Estate Portfolio Segment [Member] \| Commercial Real Estate [Member] \| Business Assets [Member]
Loans, individually evaluated	0	0
Real Estate Portfolio Segment [Member] \| Commercial Real Estate [Member] \| Collateral Pledged [Member]
Loans, individually evaluated	10,767	11,995
Real Estate Portfolio Segment [Member] \| Commercial Real Estate [Member] \| Warehouse [Member]
Loans, individually evaluated		11,995
Real Estate Portfolio Segment [Member] \| Construction Loans [Member] \| Single Family Residence [Member]
Loans, individually evaluated	4,934	8,150
Real Estate Portfolio Segment [Member] \| Construction Loans [Member] \| Condominium [Member]
Loans, individually evaluated	8,120	11,384
Real Estate Portfolio Segment [Member] \| Construction Loans [Member] \| Multifamily [Member]
Loans, individually evaluated	5,279
Real Estate Portfolio Segment [Member] \| Construction Loans [Member] \| Office Building [Member]
Loans, individually evaluated	0
Real Estate Portfolio Segment [Member] \| Construction Loans [Member] \| Gas Station [Member]
Loans, individually evaluated	0
Real Estate Portfolio Segment [Member] \| Construction Loans [Member] \| Business Assets [Member]
Loans, individually evaluated	0	0
Real Estate Portfolio Segment [Member] \| Construction Loans [Member] \| Collateral Pledged [Member]
Loans, individually evaluated	18,333	19,534
Real Estate Portfolio Segment [Member] \| Construction Loans [Member] \| Warehouse [Member]
Loans, individually evaluated		0
Commercial Portfolio Segment [Member] \| Single Family Residence [Member]
Loans, individually evaluated	52	0
Commercial Portfolio Segment [Member] \| Condominium [Member]
Loans, individually evaluated	0	0
Commercial Portfolio Segment [Member] \| Multifamily [Member]
Loans, individually evaluated	0
Commercial Portfolio Segment [Member] \| Office Building [Member]
Loans, individually evaluated	0
Commercial Portfolio Segment [Member] \| Gas Station [Member]
Loans, individually evaluated	0
Commercial Portfolio Segment [Member] \| Business Assets [Member]
Loans, individually evaluated	266	604
Commercial Portfolio Segment [Member] \| Collateral Pledged [Member]
Loans, individually evaluated	$ 318	604
Commercial Portfolio Segment [Member] \| Warehouse [Member]
Loans, individually evaluated		$ 0

Note 3 - Loans Receivable - Collateral Dependent Loans (Details) - USD ($)
$ in Thousands

Jun. 30, 2025

Dec. 31, 2024

Loans, individually evaluated

$ 31,000

$ 35,800

Single Family Residence [Member]

Loans, individually evaluated

6,349

9,263

Condominium [Member]

Loans, individually evaluated