Accrued Liabilities

9 Months Ended

Sep. 30, 2018

5. Accrued Liabilities

Accrued liabilities consist of the following:


	September 30, 2018		December 31, 2017
Accrued compensation costs	$	1,313,904	$	2,107,118
Accrued research and development service fees		922,442		578,562
Accrued professional fees		483,686		168,168
Accrued facilities operation expenses		189,348		221,103
Other accrued liabilities		22,121		43,286

Total accrued liabilities	$	2,931,501	$	3,118,237