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Note 7: Earnings Per Share: Schedule of Earnings Per Share, Basic and Diluted (Details) - $ / shares
3 Months Ended 6 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Details        
Weighted Average Number of Shares Outstanding, Basic 8,589,073 7,440,620 8,590,218 7,438,767
Stock options under treasury stock method 29,883 26,388 28,778 25,195
Weighted Average Number of Shares Outstanding, Diluted 8,618,956 7,467,008 8,618,996 7,463,962
Earnings Per Share, Basic $ 0.60 $ 0.56 $ 1.17 $ 1.06
Earnings Per Share, Diluted $ 0.60 $ 0.56 $ 1.16 $ 1.06