Quarterly report pursuant to Section 13 or 15(d)

License, Clinical Trial and Sponsored Research Agreements (Details Textual)

v3.10.0.1
License, Clinical Trial and Sponsored Research Agreements (Details Textual) - USD ($)
1 Months Ended 9 Months Ended
Aug. 02, 2018
Sep. 30, 2018
Sep. 30, 2017
Mar. 17, 2018
Jan. 03, 2018
Payments to Acquire Intangible Assets   $ 1,075,000 $ 2,375,000    
Revenue Recognition, Milestone Method, Revenue Recognized $ 13,500,000        
License [Member]          
Payments to Acquire Intangible Assets 1,000,000        
Annual Maintenance Fee $ 100,000        
City Of Hope [Member]          
Research And Development Expense, Sponsored Research Payment         $ 900,000
City Of Hope [Member] | Patent and Know-how Rights [Member]          
Research And Development Expense, Sponsored Research Payment         $ 75,000
Fred Hutchinson Cancer Research Center [Member]          
Research And Development Expense, Sponsored Research Payment       $ 600,000