CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)	Mar. 31, 2023	Dec. 31, 2022
Current assets
Cash and cash equivalents	$ 50,129,197	$ 39,505,627
Short-term marketable debt securities	12,920,960	32,609,108
Other receivables	378,445	217,129
Prepaid expenses	3,075,862	4,179,468
Total current assets	66,504,464	76,511,332
Non-current assets
Operating lease right-of-use assets	246,256	282,580
Property and equipment, net	46,099	49,389
Total non-current assets	292,355	331,969
Total assets	66,796,819	76,843,301
Current liabilities
Trade and other payables	3,827,403	254,972
Short-term portion of operating lease liabilities	155,173	153,629
Accrued expenses and other current liabilities	3,296,839	7,256,845
Total current liabilities	7,279,415	7,665,446
Non-current liabilities
Long-term portion of operating lease liabilities	91,081	128,951
Pension liability	314,174	282,206
Total non-current liabilities	405,255	411,157
Total liabilities	7,684,670	8,076,603
Commitments and contingencies (Note 15)
Equity (deficit)
Additional paid-in capital	131,308,849	129,192,291
Accumulated deficit	(89,655,068)	(80,650,212)
Accumulated other comprehensive income (loss)	340,108	350,946
Total shareholders’ equity (deficit)	41,999,160	48,898,296
Noncontrolling interests	17,112,989	19,868,402
Total equity (deficit)	59,112,149	68,766,698
Total liabilities and equity (deficit)	66,796,819	76,843,301
Common Class A
Equity (deficit)
Common stock	3,916	3,898
Common Class C
Equity (deficit)
Common stock	$ 1,355	$ 1,373