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Note 11: Capital Stock: Schedule of Activity in shares of capital stock (Details) (USD $) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Class A Common Stock |  |  |  |
Common Stock Outstanding | 12,459,240 us-gaap_CommonStockSharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember | 11,807,287 us-gaap_CommonStockSharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember | 10,843,576 us-gaap_CommonStockSharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember | 9,638,798 us-gaap_CommonStockSharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period | 54,412 us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember | 359,786 us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember | 685,753 us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember |
Dividends | $ 595,020 us-gaap_Dividends / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember | $ 562,152 us-gaap_Dividends / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember | $ 518,702 us-gaap_Dividends / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember |
Conversion of Stock, Shares Issued | 2,521 us-gaap_ConversionOfStockSharesIssued1 / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember | 41,773 us-gaap_ConversionOfStockSharesIssued1 / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember | 323 us-gaap_ConversionOfStockSharesIssued1 / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember |
Class C Common Stock |  |  |  |
Common Stock Outstanding | 1,394,069 us-gaap_CommonStockSharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassCMember | 1,330,191 us-gaap_CommonStockSharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassCMember | 1,097,410 us-gaap_CommonStockSharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassCMember | 1,013,598 us-gaap_CommonStockSharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassCMember
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period |  | 211,211 us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassCMember | 31,891 us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassCMember |
Dividends | $ 66,384 us-gaap_Dividends / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassCMember | $ 63,342 us-gaap_Dividends / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassCMember | $ 52,244 us-gaap_Dividends / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassCMember |
Conversion of Stock, Shares Issued | (2,521)us-gaap_ConversionOfStockSharesIssued1 / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassCMember | (41,773)us-gaap_ConversionOfStockSharesIssued1 / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassCMember | (323)us-gaap_ConversionOfStockSharesIssued1 / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassCMember |

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- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
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- Definition The number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4313-108586 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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- Definition Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, common and preferred stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 405 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6957935&loc=d3e64057-112817 + Details
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- Definition Number of share options (or share units) exercised during the current period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.28,29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
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