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Note 9. Share-based Compensation: Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2011
Sep. 30, 2011
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate   3.11%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate   36.89%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term 5 years