Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Details Textual)

v3.8.0.1
Commitments and Contingencies (Details Textual) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended
Jun. 06, 2017
Jan. 09, 2017
Aug. 04, 2016
Feb. 27, 2014
Jul. 24, 2012
Jun. 15, 2012
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Dec. 31, 2016
Feb. 16, 2016
Commitments and Contingencies (Textual)                        
License fee payment                 $ 7,529      
Research recorded fees             $ 4,957,464 $ 5,685,777 13,840,862 $ 13,599,174    
Cost of lease agreement $ 312,660                      
Accounts payable and accrued expenses             3,450,027   3,450,027   $ 4,194,874  
Lease term 7 years 3 months                      
Lease agreements, Description The first 4 years, and an annual rate of $341,610 for the remaining period.                      
Lines of credit                 390,874      
Deposit             390,825   390,825      
Goodwin             200,000   200,000   $ 100,000  
Manufacturing Agreement [Member]                        
Commitments and Contingencies (Textual)                        
Project estimated cost       $ 6,800,000         1,800,000      
Non - refundable institutional fee       $ 600,000                
Research and development costs                 1,100,000 500,000    
CRO Agreement [Member]                        
Commitments and Contingencies (Textual)                        
Project estimated cost     $ 4,600,000           700,000 700,000    
AbbVie Biotherapeutics Corp [Member]                        
Commitments and Contingencies (Textual)                        
Milestones Payments                 7,750,000      
AbbVie Biotherapeutics Corp [Member] | Product Development and Patent License Agreement [Member]                        
Commitments and Contingencies (Textual)                        
License fee payment                 3,000,000      
Milestones Payments                 $ 7,750,000      
Description of royalty payment                 The Company shall pay to AbbVie Biotherapeutics Corp. on a country-by-country basis a royalty of 12% of net sales of all licensed products until the later of: (1) 12.5 years after the first commercial sale, or (2) when the patents expire.      
Royalty of net sales percentage                 12.00%      
First commercial sale period                 12 years 6 months      
AbbVie Biotherapeutics Corp [Member] | After first net sales [Member]                        
Commitments and Contingencies (Textual)                        
Milestones Payments                 $ 1,500,000      
AbbVie Biotherapeutics Corp [Member] | Phase 1 Clinical Trial of a licensed product [Member]                        
Commitments and Contingencies (Textual)                        
Milestones Payments         $ 750,000       750,000      
Accounts payable and accrued expenses             750,000   750,000      
AbbVie Biotherapeutics Corp [Member] | Phase 2 Clinical Trial of a licensed product [Member]                        
Commitments and Contingencies (Textual)                        
Milestones Payments                 750,000      
Abbott Biotherapeutics Corp [Member] | After first net sales [Member] | Product Development and Patent License Agreement [Member]                        
Commitments and Contingencies (Textual)                        
Net sales in milestones payment                 10,000,000      
Oak Ridge National Laboratory [Member]                        
Commitments and Contingencies (Textual)                        
Research and development costs   $ 700,000             $ 500,000 400,000    
Icon Clinical Research [Member]                        
Commitments and Contingencies (Textual)                        
Down payment of project estimated cost percentage                 12.50%      
Down payment for project                 $ 1,900,000      
Down payment paid in 2007 and 2012                 200,000      
Total project estimated to cost             $ 2,700,000   2,700,000      
Research and development costs                 0 500,000    
Fred Hutchinson Cancer Research Center [Member] | License and sponsored research agreement [Member]                        
Commitments and Contingencies (Textual)                        
Milestones Payments           $ 1,000,000            
Description of royalty payment           Royalty payments of 2% of net sales will be due to FHCRC.            
Fund for Fred Hutchinson Cancer Research Center lab ( Per year for the first two years )           $ 200,000            
Fund for Fred Hutchinson Cancer Research Center lab ( thereafter )           300,000            
Research recorded fees                 45,000 400,000    
Fred Hutchinson Cancer Research Center [Member] | Maximum [Member] | License and sponsored research agreement [Member]                        
Commitments and Contingencies (Textual)                        
Clinical trial cost for approval of food and drug administration           23,500,000            
Fred Hutchinson Cancer Research Center [Member] | Minimum [Member] | License and sponsored research agreement [Member]                        
Commitments and Contingencies (Textual)                        
Clinical trial cost for approval of food and drug administration           $ 13,200,000            
Medpace, Inc. [Member] | CRO Agreement [Member]                        
Commitments and Contingencies (Textual)                        
Total project estimated to cost                       $ 7,200,000
Research and development costs                 $ 2,700,000 $ 2,600,000