Note 8: Earnings Per Share: Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($)	3 Months Ended		6 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Details
Net income available to common shareholders	$ 5,099	$ 7,094	$ 20,644	$ 21,348
Weighted Average Number of Shares Outstanding, Basic	9,197,370	9,323,348	9,210,559	9,152,181
Stock options under treasury stock method	7,422	7,539	10,848	11,076
Weighted Average Number of Shares Outstanding, Diluted	9,204,792	9,330,887	9,221,407	9,163,257
Basic earnings per common share	$ 0.55	$ 0.76	$ 2.24	$ 2.33	$ 2.24	$ 2.33
Diluted earnings per common share	$ 0.55	$ 0.76	$ 2.24	$ 2.33	$ 2.24	$ 2.33