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Note 10. Share-based Compensation: Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Details    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 222,285 227,285
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price $ 11.46 $ 11.40
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period (18,334)  
Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price $ 7.50  
Stock Issued During Period, Shares, Share-based Compensation 13,334  
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price $ 7.01