Accrued expenses (Tables)

12 Months Ended

Dec. 31, 2021

Accrued expenses

Schedule of accrued expenses

	December 31,		December 31,
	2021		2020
Professional fees	$	247,123	$	224,424
Compensation and benefits		1,418,309		1,515,312
Research and development		3,504,375		8,158,302
Other		183,189		673,199
Total accrued expenses	$	5,352,996	$	10,571,237