Accrued Expenses

9 Months Ended

Sep. 30, 2020

Payables And Accruals [Abstract]

Accrued Expenses

7. Accrued Expenses

Accrued expenses consisted of the following at:

	September 30, 2020		December 31, 2019
Employee expenses	$	4,341,221	$	5,810,723
Research and development expenses		6,939,941		1,186,935
Professional fees and other		862,572		605,246
	$	12,143,734	$	7,602,904