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Note 3. Stock-based Compensation: Summary of Stock Option Activity (Details)
3 Months Ended
Sep. 30, 2015
$ / shares
shares
Details  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Beginning Balance 91,152
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price, Beginning Balance | $ / shares $ 5.07
Options canceled or expired (1,200)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price | $ / shares $ 5.15
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance 89,952
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price, Ending Balance | $ / shares $ 5.31
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options 87,188
Weighted average exercise price - exercisable options | $ / shares $ 5.39