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CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
Dec. 31, 2012
Dec. 31, 2011
Preferred Stock, par value $ 0.001 $ 0.001
Preferred Stock, shares authorized 50,000,000 50,000,000
Common Stock, par value $ 0.001 $ 0.001
Common Stock, shares authorized 100,000,000 100,000,000
Common Stock, shares issued 11,552,551 12,730,117
Common Stock, shares outstanding 11,552,551 12,679,717
Common Stock, unvested restricted share awards 757,826 2,597,620
Treasury Stock, shares 0 50,400