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5) Earnings Per Share: Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($)
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Details    
Net earnings $ 1,860,000 $ 2,537,941
Weighted-average Class A equivalent common share outstanding (1) 15,058,153 14,656,450
GrantOfEmployeeStockOptions $ 469,843 $ 455,828
Diluted weighted-average shares outstanding 15,527,996 15,112,278
Net earnings per Class A Equivalent common share (1) $ 0.12 $ 0.17
Net earnings per Class A Equivalent common share-assuming dilution (1) $ 0.12 $ 0.17