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Subsequent Event	12 Months Ended
Subsequent Event	Dec. 31, 2011
Subsequent Event [Abstract]
Subsequent Event	20. Subsequent Events During the period January 1, 2012 through March 6, 2012, the Company repurchased an additional 150,287 shares of its common stock at an aggregate cost of $280,102. These purchases were made in accordance with the provisions of the share repurchase plan as authorized by the Board of Directors on March 21, 2011. As of March 6, 2012 the Company has repurchased a total of 974,661 shares at an aggregate cost of $1.9 million. Subsequent events have been evaluated through the date of the independent auditor's report.