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Stockholders' Equity (Details Textual 1)
 1 Months Ended 6 Months Ended 12 Months Ended
May. 20, 2014
USD ($)
Jan. 10, 2014
shares
Jul. 10, 2013
shares
Jul. 10, 2012
shares
Nov. 30, 2014
$ / shares
Jun. 10, 2014
USD ($)
Jun. 30, 2014
USD ($)
$ / shares
shares
Jun. 30, 2015
USD ($)
Installments
$ / shares
shares
Dec. 31, 2013
USD ($)
$ / shares
shares
Dec. 31, 2012
USD ($)
$ / shares
shares
Apr. 30, 2012
$ / shares
Class of Stock [Line Items]                      
Aggregate proceeds from private placement | $           $ 25,745,700 $ 22,229,300        
Warrant to purchase of common stock, Value | $               $ 6,300      
Term of warrants         5 years            
Exercise price per share | $ / shares         $ 4.00   $ 4.00   $ 0.001    
Issuance of common stock for services | $             $ 8,714 1,180,410 $ 16,918    
Stock-based compensation expense | $             $ 10,319,100 $ 797,000 $ 382,300    
Number of Shares, Granted             299,952 311,100 237,490    
Share based compensation shares vested               135,400      
Issuance of common stock to founder for cash | $ $ 2,000,000                    
Common stock, par value | $ / shares             $ 0.001 $ 0.001      
Research and development | $             $ 839,959 $ 7,872,397 $ 5,248,669    
Common stock, shares outstanding             8,058,843 10,778,474      
Consultants [Member]                      
Class of Stock [Line Items]                      
Warrant to purchase of common stock             2,500   4,300    
Warrant to purchase of common stock, Value | $               $ 25,500      
Exercise price per share | $ / shares             $ 4.00   $ 4.00 $ 4.00  
Issuance of common stock for services, Shares               483,333      
Issuance of common stock for services | $               $ 1,180,400      
Shares issued for other services               16,667      
Number of installments | Installments               2      
Common Stock [Member]                      
Class of Stock [Line Items]                      
Issuance of common stock for services, Shares             5,810 83,333 11,279    
Issuance of common stock for services | $             $ 6 $ 84 $ 11    
Number of Shares, Granted                   1,538,010  
Fair value of the common granted | $                   $ 46,100  
Grant date fair value of the common stock | $ / shares                   $ 0.03  
Common Stock [Member] | Medeor Inc [Member]                      
Class of Stock [Line Items]                      
Exercise price per share | $ / shares                     $ 0.30
Common stock issued for services [Member]                      
Class of Stock [Line Items]                      
Stock-based compensation expense | $             $ 8,700   $ 16,900    
Common stock per share | $ / shares                   $ 1.50  
Number of Shares, Granted                   30,760  
Fair value of the common granted | $                   $ 46,100  
Share based compensation shares vested   5,812 11,278 13,670              
Series A warrants [Member]                      
Class of Stock [Line Items]                      
Warrant to purchase of common stock               2,033,915      
Exercise price per share | $ / shares               $ 7.50      
Series A warrants [Member] | Consultants [Member]                      
Class of Stock [Line Items]                      
Issuance of common stock and warrants to purchase common stock               6,512