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Note 1: Nature of Operations and Summary of Significant Accounting Policies: Options to Purchase Common Stock Policy (Details) | 12 Months Ended
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Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Options to purchase shares of common stock outstanding not included in computation of diluted earnings per share because exercise price greater than average market price | 444,770 | 479,098 | 498,674

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- Definition No authoritative reference available. + References No definition available. + Details
Name: | fil_OptionsToPurchaseSharesOfCommonStockOutstandingNotIncludedInComputationOfDilutedEarningsPerShareBecauseExercisePriceGreaterThanAverageMarketPrice
Namespace Prefix: | fil_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration