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Note 21: Stock Option Plan: Schedule of Nonvested Share Activity (Details) (USD $) | 12 Months Ended
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Dec. 31, 2012
Nonvested options beginning of period |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number | 300,644
Share Based Compensation Arrangement by Share Based Payment Award Nonvested Weighted Average Exercise Price | $ 19.744
Share Based Compensation Arrangement by Share Based Payment Award Nonvested Weighted Average Grant Date Fair Value | $ 4.940
Nonvested options granted |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number | 105,200
Share Based Compensation Arrangement by Share Based Payment Award Nonvested Weighted Average Exercise Price | $ 24.759
Share Based Compensation Arrangement by Share Based Payment Award Nonvested Weighted Average Grant Date Fair Value | $ 4.545
Nonvested options vested this period |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number | (63,730)
Share Based Compensation Arrangement by Share Based Payment Award Nonvested Weighted Average Exercise Price | $ 20.035
Share Based Compensation Arrangement by Share Based Payment Award Nonvested Weighted Average Grant Date Fair Value | $ 5.509
Nonvested options forfeited |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number | (41,411)
Share Based Compensation Arrangement by Share Based Payment Award Nonvested Weighted Average Exercise Price | $ 19.709
Share Based Compensation Arrangement by Share Based Payment Award Nonvested Weighted Average Grant Date Fair Value | $ 5.563
Nonvested options end of period |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number | 300,703
Share Based Compensation Arrangement by Share Based Payment Award Nonvested Weighted Average Exercise Price | $ 21.442
Share Based Compensation Arrangement by Share Based Payment Award Nonvested Weighted Average Grant Date Fair Value | $ 4.596

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- Definition No authoritative reference available. + References No definition available. + Details
Name: | fil_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedWeightedAverageExercisePrice
Namespace Prefix: | fil_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

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- Definition No authoritative reference available. + References No definition available. + Details
Name: | fil_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedWeightedAverageGrantDateFairValue
Namespace Prefix: | fil_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(2)(b) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(2)(a) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant