Consolidated Statements of Operations and Comprehensive Loss - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Consolidated Statements of Operations and Comprehensive Loss
Revenues	$ 4,410,356	$ 8,185,027
Operating expenses:
Research and development	74,541,115	49,774,328
General and administrative	15,413,282	13,209,440
Impairment loss on construction-in-progress	11,370,000
Total operating expenses	101,324,397	62,983,768
Loss from operations	(96,914,041)	(54,798,741)
Other income (expense):
Interest expense	(5,656)	(9,421)
Interest income	202,741	322,514
Other (expense) income, net	(373,868)	24,147
Total other (expense) income, net	(176,783)	337,240
Net loss before income tax benefit	(97,090,824)	(54,461,501)
Income tax benefit		5,417,024
Net loss	(97,090,824)	(49,044,477)
Other comprehensive income (loss) - unrealized gain (loss) on short-term investments	4,354	(24,361)
Comprehensive loss	$ (97,086,470)	$ (49,068,838)
Net loss per share, basic	$ (2.35)	$ (1.91)
Net loss per share, diluted	$ (2.35)	$ (1.91)
Weighted-average common shares outstanding, basic	41,283,498	25,637,023
Weighted-average common shares outstanding, diluted	41,283,498	25,637,023