NOTE 11: Employee Benefits: Schedule of Share-based Compensation, Stock Options, Activity (Details) - $ / shares	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Options outstanding at beginning of year
Share-based Compensation Arrangement by Share-based Payment Award, Per Share Weighted Average Price of Shares Purchased	$ 22.18	$ 9.35	$ 8.74
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding	33,500	44,000	54,000
Options Granted
Share-based Compensation Arrangement by Share-based Payment Award, Per Share Weighted Average Price of Shares Purchased	$ 34.35	$ 37.31	$ 0
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding	17,500	13,500	0
Options Exercised
Share-based Compensation Arrangement by Share-based Payment Award, Per Share Weighted Average Price of Shares Purchased	$ 0	$ 7.18	$ 6.08
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding	0	(24,000)	(10,000)
Options Forfeited
Share-based Compensation Arrangement by Share-based Payment Award, Per Share Weighted Average Price of Shares Purchased	$ 0	$ 0	$ 0
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding	0	0	0
Options outstanding at year-end
Share-based Compensation Arrangement by Share-based Payment Award, Per Share Weighted Average Price of Shares Purchased	$ 26.35	$ 22.18	$ 9.35
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding	51,000	33,500	44,000
Options exercisable at year-end
Share-based Compensation Arrangement by Share-based Payment Award, Per Share Weighted Average Price of Shares Purchased	$ 14.73	$ 10.57	$ 8.06
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding	20,700	16,000	38,000