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Stockholders' Equity (Tables)
 6 Months Ended
Jun. 30, 2017
Stockholders' Equity [Abstract]  
Schedule of conversion of preferred stock issued to common stock
  Shares of Preferred
Stock Not
Exchanged
as of
June 30,
2017		  Conversion Ratio  Shares of
Common
Stock after
Conversion
of all Outstanding
Shares of
Preferred
Stock
Not yet
Exchanged
at
June 30,
2017		 
             
Series B Preferred stock  83   132.07   10,962