Note 5: Earnings Per Share: Options to Purchase Common Stock Policy (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Options to purchase shares of common stock outstanding not included in computation of diluted earnings per share because exercise price greater than average market price	81,375	661,935	81,375	616,235