Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash flows from operating activities:
Net loss	$ (37,127,303)	$ (53,478,812)	$ (28,059,807)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	12,829	28,834	11,126
Stockbased compensation	7,813,743	4,983,023	1,345,722
Amortization of right of use lease asset	258,848	200,776	159,128
Foreign currency (gain) loss	(317,402)	890,252	(1,328,140)
Changes in operating assets and liabilities:
Prepaid expenses and other current assets	(109,338)	(472,402)	(2,633,732)
Accounts payable	(2,730,587)	2,326,767	437,515
Accrued expenses and other liabilities	(5,218,241)	3,928,684	3,513,782
Lease liability	(268,728)	(209,794)	(154,301)
Net cash used in operating activities	(37,686,179)	(41,802,672)	(26,708,707)
Cash flows from investing activities:
Purchases of property and equipment		(25,709)	(30,901)
Net cash used in investing activities		(25,709)	(30,901)
Cash flows from financing activities:
Proceeds from the exercise of stock options	208,367	150,949	70,997
Proceeds from issuance of common stock in initial public offering, net			86,906,179
Proceeds from at-the-market sales of common stock, net	1,538,645
Proceeds from issuance of Series C convertible preferred, net			5,598,362
Net cash provided by financing activities	1,747,012	150,949	92,575,538
Decrease in cash and cash equivalents	(35,939,167)	(41,677,432)	65,835,930
Effect of exchange rate changes on cash	(2,467)	606,249	(1,422,992)
Cash and cash equivalents-beginning of year	89,017,686	130,088,869	65,675,931
Cash and cash equivalents-end of period	53,076,052	$ 89,017,686	$ 130,088,869
Non-cash investing and financing activities:
Operating lease liabilities arising from obtaining right-of-use assets	$ 124,043