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Note 5: Earnings Per Share: Schedule of Earnings Per Share Basic and Diluted Table (Details) (USD $) | 3 Months Ended
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Mar. 31, 2013 | Mar. 31, 2012
Weighted Average Number of Shares Outstanding, Basic | 13,605 | 13,491
NET INCOME AVAILABLE TO COMMON SHAREHOLDERS | $ 8,249,000 | $ 7,353,000
BASIC EARNINGS PER COMMON SHARE | $ 0.61 | $ 0.54
Income from continuing operations available to common shareholders Basic | 8,249,000 | 6,993,000
BASIC EARNINGS PER COMMON SHARE FROM CONTINUING OPERATIONS | $ 0.61 | $ 0.52
Income from discontinued operations available to common shareholders basic | 0 | 359
Income (Loss) from Discontinued Operations, Net of Tax, Per Basic Share | $ 0.00 | $ 0.02
Weighted Average Number of Shares Outstanding, Diluted | 13,605 | 13,491
Net effect of dilutive stock options and warrants based on treasury stock method using average market price | 46 | 62
Diluted shares | 13,651 | 13,553
Net Income (Loss) Available to Common Stockholders, Diluted | 8,249,000 | 7,353,000
DILUTED EARNINGS PER COMMON SHARE | $ 0.60 | $ 0.54
Income from continuing operations available to common shareholders diluted | 8,249,000 | 6,993,000
DILUTED EARNINGS PER COMMON SHARE FROM CONTINUING OPERATIONS | $ 0.60 | $ 0.52
Income from discontinued operations available to common shareholders diluted | $ 0 | $ 359
Income (Loss) from Discontinued Operations, Net of Tax, Per Diluted Share | $ 0.00 | $ 0.02

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