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6) Earnings (loss) Per Share: Schedule Of Calculation Of Numerator And Denominator In Earnings Per Share Table Text Block (Details) (USD $)
 3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Net earnings (loss) $ 3,593,032 $ 204,867 $ 5,255,215 $ (313,606)
Weighted-average Class A equivalent common share outstanding (1) 9,540,238 9,350,042 9,518,058 9,311,131
Grant of stock options $ 361,526 $ 42,694 $ 166,810 $ 0
ProFormaWeightedAverageSharesOutstandingDiluted 361,526 42,694 166,810 0
Weighted-average Class A equivalent common shares outstanding-assuming dilution (1) 9,901,764 9,392,736 9,684,868 9,311,131
Net earnings (loss) per Class A Equivalent common share (1) $ 0.38 $ 0.02 $ 0.55 $ (0.03)
Net earnings (loss) per Class A Equivalent common share-assuming dilution (1) $ 0.36 $ 0.02 $ 0.54 $ (0.03)