Equity (Details) (USD $)
9 Months Ended
Sep. 30, 2013
Dec. 31, 2012
Feb. 15, 2012
Conversion of Stock      
Conversion price adjustment one preferred share into one and one-half common shares    
Equity (Textual)      
Common stock, shares authorized 100,000,000 100,000,000 100,000,000
Common stock, par value $ 0.01 $ 0.01 $ 0.01
Preferred stock, shares authorized 10,000,000 10,000,000 10,000,000
Preferred stock, par value $ 0.01 $ 0.01 $ 0.01
Preferred stock, shares issued 0 0  
Automatic Conversion of Shares [Member]
     
Conversion of Stock      
Percentage of outstanding shares of preferred stockholders required for conversion 66.00%    
Minimum post-offering valuation on a fully diluted basis required $ 150,000,000    
Minimum proceeds required $ 25,000,000    
Common Stock [Member]
     
Conversion of Stock      
Number of common stock shares issued upon conversion of one convertible preferred stock 1.5