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Stockholders' Equity (Tables)
6 Months Ended
Jun. 30, 2018
Equity [Abstract]  
Schedule of conversion of preferred stock issued to common stock

   Shares of Preferred Stock Not Exchanged as of June 30,
2018
   Conversion Ratio   Shares of Common Stock after Conversion of all Outstanding Shares of Preferred Stock Not yet Exchanged at June 30,
2018
 
                
Series B Preferred stock   83    132.07    10,962