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Note 3. Stock-based Compensation: Summary of Stock Option Activity (Details) (USD $)
3 Months Ended
Sep. 30, 2013
Details  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Beginning Balance 163,868
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price, Beginning Balance $ 6.51
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures 3,598
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price $ 2.42
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period (6,707)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price $ 5.99
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 160,759
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price, Ending Balance $ 6.44
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options 139,548
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price $ 7.12