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Note 5: Earnings Per Share: Options to Purchase Common Stock Policy (Details) | 3 Months Ended | 9 Months Ended
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Sep. 30, 2012 | Sep. 30, 2011 | Sep. 30, 2012 | Sep. 30, 2011
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 | 81,375 | 661,935 | 81,375 | 616,235

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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