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NOTE 4: EARNINGS PER SHARE: Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Details
Weighted Average Number of Shares Outstanding, Basic	14,101	13,994
Net Income (Loss) Available to Common Stockholders, Basic	$ 13,466	$ 11,518
Earnings Per Share, Basic	$ 0.95	$ 0.82
Weighted Average Number of Shares Outstanding, Diluted	14,101	13,994
Net effect of dilutive stock options - based on the treasurystock method using average market price	131	171
Weighted Average Number Diluted Shares Outstanding Adjustment	14,232	14,165
Net Income (Loss) Available to Common Stockholders, Diluted	$ 13,466	$ 11,518
Earnings Per Share, Diluted	$ 0.95	$ 0.81

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