Net Loss per Common Share - Computation of Basic and Diluted Net Loss per Common Share (Details) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Basic and diluted net loss per common share:
Net loss	$ (32,484,146)	$ (10,640,376)
Weighted average common shares outstanding, basic and diluted	37,061,356	33,052,468
Net loss per common share, basic and diluted	$ (0.88)	$ (0.32)