Disclosures About Fair Value of Assets and Liabilities (Details 3) - USD ($) $ in Thousands	Dec. 31, 2019	Jun. 30, 2019	Dec. 31, 2018	Jun. 30, 2018
Financial assets
Cash and cash equivalents, Carrying Value	$ 11,884	$ 9,861	$ 10,142	$ 9,943
Time deposits in other financial institutions, Carrying Value	2,970	6,962
Available-for-sale securities, Carrying Value	545	1,045
Held-to-maturity securities, Carrying Value	652	775
Loans held for sale, Carrying Value	251
Loans receivable - net, Carrying Value	281,568	280,969
Federal Home Loan Bank stock, Carrying Value	6,482	6,482
Accrued interest receivable, Carrying Value	690	758
Cash and Cash Equivalents, Fair Value	11,884	9,861
Time deposits in other financial institutions, Fair Value	2,979	6,963
Available-for-sale securities, Fair Value	545	1,045
Held-to-maturity securities, Fair Value	659	775
Loans held for sale, Fair Value	251
Loans receivable - net, Fair Value	285,831	285,700
Federal Home Loan Bank stock, Fair Value
Accrued interest receivable, Fair Value	690	758
Financial liabilities
Deposits, Carrying Value	199,959	195,836
Federal Home Loan Bank advances, Carrying Value	61,615	66,703
Advances by borrowers for taxes and insurance, Carrying Value	231	763
Accrued interest payable, Carrying Value	30	28
Deposits, Fair Value	199,996	193,864
Federal Home Loan Bank advances, Fair Value	61,741	66,719
Advances by borrowers for taxes and insurance, Fair Value	231	763
Accrued interest payable, Fair Value	30	28
Fair Value, Inputs, Level 1 [Member]
Financial assets
Cash and Cash Equivalents, Fair Value	11,884	9,861
Time deposits in other financial institutions, Fair Value	2,979	6,963
Financial liabilities
Deposits, Fair Value	68,113	69,944
Fair Value, Inputs, Level 2 [Member]
Financial assets
Available-for-sale securities, Carrying Value	545
Accrued interest receivable, Carrying Value	690
Available-for-sale securities, Fair Value		1,045
Held-to-maturity securities, Fair Value	659	775
Accrued interest receivable, Fair Value		758
Financial liabilities
Deposits, Fair Value	131,853	123,920
Federal Home Loan Bank advances, Fair Value	61,741	66,719
Advances by borrowers for taxes and insurance, Fair Value	231	763
Accrued interest payable, Fair Value	30	28
Fair Value, Inputs, Level 3 [Member]
Financial assets
Loans held for sale, Fair Value	251
Loans receivable - net, Fair Value	$ 285,831	$ 285,700