Note 9 - Loans and Related Allowance for Loan Losses - Schedule of Primary Segments of Loan Portfolio (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Jun. 30, 2021
Total Loans	$ 78,828	$ 80,971
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	78,828	80,971
Plus: Deferred loan costs	227	278
Allowance for loan losses	(529)	(565)
Total	78,526	80,684
First Mortgage Loans One to Four Family Dwellings [Member]
Total Loans	63,431	67,410
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	63,431	67,410
First Mortgage Loans Construction [Member]
Total Loans	3,151	2,612
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	3,151	2,612
First Mortgage Loans Land Acquisition and Development [Member]
Total Loans	670	666
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	670	666
First Mortgage Loans Multifamily Dwellings [Member]
Total Loans	3,334	3,469
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	3,334	3,469
First Mortgage Loans Commercial [Member]
Total Loans	4,929	3,939
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	4,929	3,939
Consumer Loans Home Equity [Member]
Total Loans	1,991	1,340
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	1,991	1,340
Consumer Loans, Home Equity Lines of Credit [Member]
Total Loans	1,301	1,508
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	1,301	1,508
Consumer Loans, Other [Member]
Total Loans	21	27
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	21	27
Commercial Loans [Member]
Total Loans	0	0
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	$ 0	$ 0

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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The balance of financing receivables that were collectively evaluated for impairment.

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

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