Net Loss per Common Share - Computation of Basic and Diluted Net Loss per Common Share (Details) - USD ($)	3 Months Ended				6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021
Earnings Per Share [Abstract]
Net loss	$ (41,438,516)	$ (39,632,311)	$ (32,284,209)	$ (29,259,970)	$ (81,070,827)	$ (61,544,179)
Weighted average common shares outstanding, basic	39,081,100		37,595,069		38,704,227	37,512,716
Weighted average common shares outstanding, diluted	39,081,100		37,595,069		38,704,227	37,512,716
Net loss per common share, basic	$ (1.06)		$ (0.86)		$ (2.09)	$ (1.64)
Net loss per common share, diluted	$ (1.06)		$ (0.86)		$ (2.09)	$ (1.64)