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Note 5: Earnings Per Share: Options to Purchase Common Stock Policy (Policies) | 3 Months Ended
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Mar. 31, 2013
Policies |
Options to Purchase Common Stock Policy | Options to purchase 479,251 and 465,067 shares of common stock were outstanding at March 31, 2013 and 2012, respectively, but were not included in the computation of diluted earnings per share for each three-month period because the options’ exercise prices were greater than the average market prices of the common shares for the three months ended March 31, 2013 and 2012, respectively.

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- Definition No authoritative reference available. + References No definition available. + Details
Name: | fil_OptionsToPurchaseCommonStockPolicy
Namespace Prefix: | fil_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_PolicyTextBlockAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration