Condensed Consolidated Statements of Cash Flows - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities:
Net loss	$ (7,936,693)	$ (9,668,755)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	2,942	3,588
Stockbased compensation	2,084,060	1,822,562
Amortization of right of use lease asset	60,825	72,416
Foreign currency (gain) loss	(136,211)	(521,983)
Changes in operating assets and liabilities:
Prepaid expenses and other current assets	1,115,261	931,576
Accounts payable	214,975	(1,046,891)
Accrued expenses and other liabilities	(840,380)	(3,038,763)
Lease liability	(60,108)	(75,856)
Net cash used in operating activities	(5,495,329)	(11,522,106)
Decrease in cash and cash equivalents	(5,495,329)	(11,522,106)
Effect of exchange rate changes on cash	71,051	120,494
Cash and cash equivalents-beginning of year	53,076,052	89,017,686
Cash and cash equivalents-end of period	47,651,774	$ 77,616,074
Non-cash investing and financing activities:
Operating lease liabilities arising from obtaining right-of-use assets	$ 123,786