ACCRUED EXPENSES

3 Months Ended

Mar. 31, 2016

Payables And Accruals [Abstract]

ACCRUED EXPENSES

6. ACCRUED EXPENSES

The following table summarizes the Company’s accrued expenses for each of the periods indicated: 

	As of March 31, 2016		As of December 31, 2015
	(in thousands)
Accrued clinical and preclinical costs	$	10,170	$	9,587
Accrued contract manufacturing costs		5,161		4,830
Accrued employee compensation costs		4,553		8,189
Accrued professional fees		2,957		4,258
Accrued research costs		663		629
Accrued facility-related costs		51		127
Other		722		1,433
Total accrued expenses	$	24,277	$	29,053