Accrued Expenses and Other Liabilities (Tables)

3 Months Ended

Mar. 31, 2020

Payables and Accruals [Abstract]

Schedule of Accrued Expenses and Other Liabilities

Accrued expenses and other liabilities consist of the following:

	March 31, 2020		December 31, 2019
Accrued preclinical and clinical trial expenses	$	940,963	$	1,183,513
Accrued professional fees		3,309,351		1,241,526
Accrued compensation and benefits		1,814,396		3,064,645
Accrued license fees		3,945,991		8,751,991
Accrued purchases		1,243,991		1,313,310
Accrued contributions		1,135,000		1,535,000
Operating lease liability		306,677		300,518
Accrued variable consideration		1,308,344		884,764
Income tax payable		2,143,490		1,533,696
Other		139,733		172,332
Current accrued expenses and other liabilities		16,287,936		19,981,295
Lease liability—non-current		568,421		647,532
Non-current accrued expenses and other liabilities		568,421		647,532
Total accrued expenses and other liabilities	$	16,856,357	$	20,628,827