Consolidated Statements of Cash Flows - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities
Net loss	$ (39,632,311)	$ (29,259,970)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation expense	7,598,329	3,731,097
Amortization of debt discount	223,143	276,095
Depreciation	36,636	8,326
Amortization of operating lease right-of-use asset	275,063	262,764
Change in operating lease liability	(214,807)	(275,840)
Changes in operating assets and liabilities:
Prepaid expenses and other current assets	(2,076,858)	(226,933)
Accounts payable	(554,217)	1,117,695
Accrued expenses and other current liabilities	1,692,042	(2,848,723)
Net cash used in operating activities	(32,652,980)	(27,215,489)
Cash flows from investing activities
Purchases of equipment	(213,736)	(29,995)
Net cash used in investing activities	(213,736)	(29,995)
Cash flows from financing activities
Proceeds from issuance of common stock upon financing, net	31,008,601	6,115,864
Proceeds from issuance of common stock upon exercise of options	181,637	1,913,299
Payments of tax withholdings on stock award	(88,594)
Net cash (used in) provided by financing activities	31,101,644	8,029,163
Net (decrease) increase in cash	(1,765,072)	(19,216,321)
Cash at beginning of period	86,472,854	183,876,453
Cash at end of period	84,707,782	164,660,132
Supplemental disclosures of cash flow information:
Interest paid	1,118,750	$ 1,143,750
Operating lease right-of-use asset obtained in exchange for operating lease liability	$ 561,380