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Stockholders' Equity (Tables)
12 Months Ended
Dec. 31, 2016
Stockholders' Equity  
Schedule of warrants outstanding
Issued in Connection With
   
Expiration 
Date
   
Common 
Shares 
Issuable
   
Weighted 
Average 
Exercise Price
 
July 2011 stock issuance
        2016           45,343         $ 114.24    
Total
                    45,343       $ 114.24