Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions (Details Textual)

Related Party Transactions (Details Textual) - Memorial Sloan Kettering Cancer Center [Member] - USD ($)
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
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 and research cost $ 100,000 $ 0