Accrued expenses (Tables)

6 Months Ended

Jun. 30, 2021

Accrued expenses

Schedule of accrued expenses

	June 30,		December 31,
	2021		2020
Professional fees	$	480,828	$	224,424
Compensation and benefits		872,665		1,515,312
Research and development		6,532,487		8,158,302
Other		151,544		673,199
Total accrued expenses	$	8,037,524	$	10,571,237