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Note 10: Employee Benefits: Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range (Details) - Jun. 30, 2015 - $ / shares
Total
Weighted Average Remaining Contractual Life 2.4 months  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 5,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price $ 7.13
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number 5,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price $ 7.13
Weighted Average Remaining Contractual Life 40.6 months  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 10,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price $ 6.08
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number 10,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price $ 6.08
Weighted Average Remaining Contractual Life 54.6 months  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 40,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price $ 6.38
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number 40,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price $ 6.38
Weighted Average Remaining Contractual Life 76.7 months  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 4,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price $ 11.18
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price $ 11.18
Weighted Average Remaining Contractual Life 110.3 months  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 10,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price $ 17.55
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price $ 17.55