Note 10: Employee Benefits: Stock Option Plans Policy: Stock Option Plans (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Details
Stock Option Plan Description	The Company adopted a stock option plan in October 2003. Under the plan, the Company has granted options to purchase 242,000 shares (split-adjusted) to employees and directors, of which, options to purchase 153,000 shares (split-adjusted) have been exercised, options to purchase 45,000 shares (split-adjusted) have been forfeited, and 44,000 remain outstanding. Under the 2003 Plan, exercised options may be issued from either authorized but unissued shares, or treasury shares.
Stock Option Plan Unrecognized Compensation Expense Related to Nonvested Stock Options	$ 19
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value	1,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value	$ 920
Stock Option Plan Exercised Options to Purchase	10,000
Stock Option Plan Options to Purchase Intrinsic Value	$ 262
Stock Option Plan Intrinsic Value of Options Vested	$ 262	$ 37	$ 115