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Stockholders' Equity (Tables)
 12 Months Ended
Dec. 31, 2014
Stockholders' Equity [Abstract]  
Schedule of conversion of preferred stock issued to common stock

    Shares of Preferred Stock Not Exchanged as of December 31, 2014     Conversion Ratio     Shares of
Common Stock after Conversion of all Outstanding Shares of Preferred Stock Not yet Exchanged at December 31, 2014		  
                         
Series B Preferred Stock     83       132.07       10,962