Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (Parenthetical)

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CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (Parenthetical) - USD ($)
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Issuance of common stock in exchange for exercise of warrants (in dollars per share) $ 4.25 $ 4.25 $ 4.25
Issuance of common stock to acquire intellectual property rights from related party in March 2014 ($12.15 per share) (in dollars per share)   $ 12.15  
Warrants Exercised Number Of Warrants   48,240 3,185
Stock Issued in July 2014[Member]      
Issuance of common stock (in dollars per share) 7.50    
Payments of Stock Issuance Costs   $ 636  
Share Price   $ 11.90  
Stock Issued In July 2015 [Member]      
Issuance of common stock (in dollars per share) $ 7.50    
Payments of Stock Issuance Costs $ 1,369    
Stock Issued in January 2014 [Member]      
Payments of Stock Issuance Costs   $ 2,824  
Share Price   $ 15  
Stock Issued In April 2013 [Member]      
Share Price     $ 8
Stock Issued In August 2013 [Member]      
Payments of Stock Issuance Costs     $ 1,352
Share Price     $ 4.25
Stock Issued In February 2015 [Member]      
Payments of Stock Issuance Costs $ 2,115    
Share Price $ 5.85