Income Taxes - Components of Net Loss Before Income Tax Benefit (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Income Taxes
U.S. operations	$ (78,583,331)	$ (50,735,735)
Non-U.S. operations	(18,507,493)	(3,725,766)
Net loss before income tax benefit	$ (97,090,824)	$ (54,461,501)