6) Earnings Per Share: Schedule Of Calculation Of Numerator And Denominator In Earnings Per Share Table Text Block (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Net earnings	$ 3,990,046	$ 770,322	$ 9,245,262	$ 456,716
Weighted-average Class A equivalent common share outstanding (1)	9,585,285	9,390,822	9,540,631	9,258,945
GrantOfEmployeeStockOptions	$ 853,876	$ 17,358	$ 12,766	$ 25,543
Pro Forma Weighted Average Shares Outstanding, Diluted	853,876	17,358	12,766	25,543
Weighted-average Class A equivalent common shares outstanding-assuming dilution (1)	10,439,161	9,408,180	9,553,397	9,284,488
Net earnings per Class A Equivalent common share (1)	$ 0.42	$ 0.08	$ 0.97	$ 0.05
Net earnings per Class A Equivalent common share-assuming dilution (1)	$ 0.38	$ 0.08	$ 0.97	$ 0.05