Note 4: Loans and Allowance for Loan Losses: Schedule of Loan Portfolio Aging Analysis (Details) - USD ($)	Mar. 31, 2020	Jun. 30, 2019
Financing Receivables Past Due
Financing Receivable Recorded Investment	$ 15,932	$ 11,610
Financing Receivables Past Due | Consumer Loan
Financing Receivable Recorded Investment	1,124	350
Financing Receivables Past Due | Commercial Loan
Financing Receivable Recorded Investment	2,461	2,351
Financing Receivables Past Due | Construction Loan Payable
Financing Receivable Recorded Investment	225	0
Financing Receivables Past Due | Residential Real Estate
Financing Receivable Recorded Investment	4,157	2,995
Financing Receivables Past Due | Commercial Real Estate
Financing Receivable Recorded Investment	7,965	5,914
Loans Receivable
Financing Receivable Recorded Investment	1,991,330	1,866,311
Loans Receivable | Consumer Loan
Financing Receivable Recorded Investment	94,645	97,534
Loans Receivable | Commercial Loan
Financing Receivable Recorded Investment	327,587	355,874
Loans Receivable | Construction Loan Payable
Financing Receivable Recorded Investment	92,053	80,134
Loans Receivable | Residential Real Estate
Financing Receivable Recorded Investment	583,776	491,992
Loans Receivable | Commercial Real Estate
Financing Receivable Recorded Investment	893,269	840,777
Financial Asset, 30 to 59 Days Past Due | Consumer Loan
Financing Receivable Recorded Investment	783	128
Financial Asset, 30 to 59 Days Past Due | Commercial Loan
Financing Receivable Recorded Investment	2,033	424
Financial Asset, 30 to 59 Days Past Due | Construction Loan Payable
Financing Receivable Recorded Investment	222	0
Financial Asset, 30 to 59 Days Past Due | Residential Real Estate
Financing Receivable Recorded Investment	2,391	227
Financial Asset, 30 to 59 Days Past Due | Commercial Real Estate
Financing Receivable Recorded Investment	3,256	296
Financial Asset, 30 to 59 Days Past Due | Total Loans
Financing Receivable Recorded Investment	8,685	1,075
Financial Asset, 60 to 89 Days Past Due | Consumer Loan
Financing Receivable Recorded Investment	79	46
Financial Asset, 60 to 89 Days Past Due | Commercial Loan
Financing Receivable Recorded Investment	164	25
Financial Asset, 60 to 89 Days Past Due | Construction Loan Payable
Financing Receivable Recorded Investment	3	0
Financial Asset, 60 to 89 Days Past Due | Residential Real Estate
Financing Receivable Recorded Investment	498	1,054
Financial Asset, 60 to 89 Days Past Due | Commercial Real Estate
Financing Receivable Recorded Investment	138	1
Financial Asset, 60 to 89 Days Past Due | Total Loans
Financing Receivable Recorded Investment	882	1,126
Financial Asset, Equal to or Greater than 90 Days Past Due | Consumer Loan
Financing Receivable Recorded Investment	262	176
Financial Asset, Equal to or Greater than 90 Days Past Due | Commercial Loan
Financing Receivable Recorded Investment	264	1,902
Financial Asset, Equal to or Greater than 90 Days Past Due | Construction Loan Payable
Financing Receivable Recorded Investment	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Residential Real Estate
Financing Receivable Recorded Investment	1,268	1,714
Financial Asset, Equal to or Greater than 90 Days Past Due | Commercial Real Estate
Financing Receivable Recorded Investment	4,571	5,617
Financial Asset, Equal to or Greater than 90 Days Past Due | Total Loans
Financing Receivable Recorded Investment	6,365	9,409
Financing Receivables Current | Consumer Loan
Financing Receivable Recorded Investment	93,521	97,184
Financing Receivables Current | Commercial Loan
Financing Receivable Recorded Investment	325,126	353,523
Financing Receivables Current | Construction Loan Payable
Financing Receivable Recorded Investment	91,828	80,134
Financing Receivables Current | Residential Real Estate
Financing Receivable Recorded Investment	579,619	488,997
Financing Receivables Current | Commercial Real Estate
Financing Receivable Recorded Investment	885,304	834,863
Financing Receivables Current | Total Loans
Financing Receivable Recorded Investment	1,975,398	1,854,701
Financing Receivables Greater Than 90 Days Past Due and Still Accruing | Consumer Loan
Financing Receivable Recorded Investment	0	0
Financing Receivables Greater Than 90 Days Past Due and Still Accruing | Commercial Loan
Financing Receivable Recorded Investment	0	0
Financing Receivables Greater Than 90 Days Past Due and Still Accruing | Construction Loan Payable
Financing Receivable Recorded Investment	0	0
Financing Receivables Greater Than 90 Days Past Due and Still Accruing | Residential Real Estate
Financing Receivable Recorded Investment	0	0
Financing Receivables Greater Than 90 Days Past Due and Still Accruing | Commercial Real Estate
Financing Receivable Recorded Investment	0	0
Financing Receivables Greater Than 90 Days Past Due and Still Accruing | Total Loans
Financing Receivable Recorded Investment	$ 0	$ 0