Accrued Expenses

9 Months Ended

Sep. 30, 2021

Payables And Accruals [Abstract]

Accrued Expenses

7. Accrued Expenses

Accrued expenses and other current liabilities consist of the following:

	September 30, 2021		December 31, 2020
Accrued professional services	$	729,434	$	1,350,194
Accrued payroll and employee benefits		2,006,675		2,351,599
Accrued interest		19,423		13,016
Accrued research and development		15,943,874		7,316,876
Lease obligation, current portion (see Note 6)		401,743		356,716
Deferred revenue		19,753		19,753
Total accrued expenses	$	19,120,902	$	11,408,154