Accrued Expenses

6 Months Ended

Jun. 30, 2019

Payables And Accruals [Abstract]

Accrued Expenses

6.Accrued Expenses

Accrued expenses and other current liabilities consist of the following:

	June 30, 2019		December 31, 2018
Accrued professional services	$	417,618	$	552,619
Accrued payroll and employee benefits		808,585		1,257,191
Accrued interest		2,685		1,192
Accrued research and development		1,539,045		2,076,704
Lease obligation, current portion		246,193		—
Deferred rent, current portion		—		175,490
Deferred revenue		32,441		19,753
Total accrued expenses	$	3,046,567	$	4,082,949