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Capital Stock
12 Months Ended
Dec. 31, 2011
Capital Stock [Abstract]  
Capital Stock

(13)  Capital Stock

 

Common and Preferred Stock. The Company is authorized to issue 125,000,000 shares of common stock, of which 43,999,443 and 42,833,342 shares were outstanding as of December 31, 2011 and 2010, respectively. Additionally, the Company is authorized to issue 10,000,000 shares of preferred stock, of which no shares were outstanding as of December 31, 2011 and 2010.