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Consolidated Balance Sheets (Parenthetical) (USD $)
Dec. 31, 2010
Dec. 31, 2009
Consolidated Balance Sheets  
Preferred stock, par value (in dollars per share)$ 0.01$ 0.01
Preferred stock, authorized shares1,0001,000
Preferred stock, shares issued00
Common stock, par value (in dollars per share)$ 0.01$ 0.01
Common stock, authorized shares100,000100,000
Common stock, shares issued29,37529,375
Common stock, shares outstanding28,92129,375