Accrued Expenses

6 Months Ended

Jun. 30, 2021

Payables And Accruals [Abstract]

Accrued Expenses

7. Accrued Expenses

Accrued expenses and other current liabilities consist of the following:

	June 30, 2021		December 31, 2020
Accrued professional services	$	489,836	$	1,350,194
Accrued payroll and employee benefits		1,661,708		2,351,599
Accrued interest		16,456		13,016
Accrued research and development		5,074,045		7,316,876
Lease obligation, current portion (see Note 6)		374,502		356,716
Deferred revenue		57,989		19,753
Total accrued expenses	$	7,674,536	$	11,408,154