Accrued Expenses and Other Current Liabilities

12 Months Ended

Dec. 31, 2019

Payables And Accruals [Abstract]

Accrued Expenses and Other Current Liabilities

7. Accrued Expenses and Other Current Liabilities

Accrued expense and other current liabilities consist of the following:

	As of December 31,
	2019		2018
Accrued professional services	$	429,467	$	552,619
Accrued payroll and employee benefits		1,183,130		1,257,191
Accrued interest		5,047		1,192
Lease obligation, current portion		259,449		—
Deferred rent, current portion		—		175,490
Accrued research and development		1,966,111		2,076,704
Deferred revenue		61,563		19,753
Total accrued expenses	$	3,904,767	$	4,082,949