Income taxes (Tables)

12 Months Ended

Dec. 31, 2023

Income taxes

Schedule of components of income taxes

Year ended December 31,
2023	2022	2021

Foreign	$	(365,750)	$	(6,377,901)	$	(13,229,828)
Domestic		(13,921,006)		(106,284,126)		(23,897,475)
Net loss	$	(14,286,756)	$	(112,662,027)	$	(37,127,303)

Summary of reconciliation of the effect of applying federal statutory rate to the net loss and the effective income tax rate

	Year ended December 31,
	2023		2022		2021
Statutory federal income tax rate	21.0	%	21.0	%	21.0	%
Earnings in jurisdictions taxed at rates different from the statutory U.S. federal tax rate	—	%	—	%	(0.1)	%
Permanent differences	—	%	(0.6)	%	—	%
Section 162(m) limitation	10.3	%	(2.5)	%	—	%
In-process research and development	—	%	(13.5)	%	—	%
Changes in valuation allowance	(31.1)	%	(3.7)	%	(18.2)	%
Other	(0.2)	%	(0.7)	%	(2.7)	%
Effective income tax rate	—	%	—	%	—	%

Summary of significant components of deferred taxes

	December 31,
	2023		2022
Deferred tax assets:
Net operating loss carryforward	$	41,784,757	$	38,839,281
Stock compensation		3,955,371		2,309,828
Amortization		56,882		118,259
Capitalized research and development costs		3,487,955		2,362,347
Fixed Assets		3,574		—
Accrued Expenses		155,320		—
Gross deferred tax assets		49,443,859		43,629,715
Valuation allowance		(49,443,859)		(43,629,689)
Total deferred tax assets		—		26
Deferred tax liabilities:
Fixed assets		—		(26)
Total deferred tax liabilities		—		(26)
Net deferred tax assets (liabilities)	$	—	$	—