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Note 4: Value of Business Acquired: Schedule of Value of Business Acquired (Details) (USD $)
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Details                
Value of business acquired, balance at start of period         $ 8,680,845 $ 9,829,082 $ 10,996,050 $ 8,996,134
Increase (Decrease) in value of business acquired           192,035 48,190 3,145,116
Imputed interest on value of business acquired           647,848 [1] 728,880 [1] 701,349 [1]
Value of business acquired - amortization           (1,988,120) (1,944,038) (1,846,549)
Value of business acquired - net amortization charged to income (684,000) (756,000) (822,000) (887,000) (1,146,000) (1,340,272) (1,215,158) (1,145,200)
Value of business acquired, balance at start of period           $ 8,680,845 $ 9,829,082 $ 10,996,050
[1] Imputed interest at 7%.