Related-Party Transactions - Leases (Details) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Related Party Transaction [Line Items]
Operating lease rent expenses	$ 759,372	$ 89,661
ARE East River Science Park LLC [Member]
Related Party Transaction [Line Items]
Operating lease, right of use asset write-off			$ 825,888
Operating lease liability write-off	969,477
Net gain on write-off of operating lease right of use asset and liability	143,589
Operating lease rent expenses	81,260	121,888
Letter of credit outstanding amount	122,866
Kadmon Corporation LLC [Member] | Loss from operations
Related Party Transaction [Line Items]
Operating lease rent expenses	$ 145,755	$ 140,793