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Treasury Stock Repurchase Program	9 Months Ended
Treasury Stock Repurchase Program	Sep. 30, 2011
Treasury Stock Repurchase Program [Abstract]
Treasury Stock Repurchase Program	3. Treasury Stock Repurchase Program We repurchased a total of 80,000 common shares with an aggregate cost of $323,373 during the nine months ended September 30, 2011. We repurchased a total of 235,800 common shares with an aggregate cost of $623,315 during the nine months ended September 30, 2010.