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Related Party Transactions (Details Textual) - MSKCC [Member] - USD ($)
9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Dec. 31, 2016
Related Party Transactions (Textual)      
Royalty description Under the agreement, the Company shall pay to MSKCC on a country-by-country basis a royalty of 2% of net sales of all licensed products until the later of: (1) 10 years from the first commercial sale, or (2) when the patents expire.    
Maintenance fees $ 100,000 $ 100,000  
Due of maintenance fees and research cost $ 0   $ 0