ACCRUED EXPENSES

12 Months Ended

Dec. 31, 2015

Payables And Accruals [Abstract]

ACCRUED EXPENSES

8. ACCRUED EXPENSES

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

	As of December 31, 2015		As of December 31, 2014
	(in thousands)
Accrued clinical and preclinical costs	$	9,587	$	3,471
Accrued employee compensation costs		8,189		6,170
Accrued contract manufacturing costs		4,830		3,271
Accrued professional fees		4,258		3,403
Accrued research costs		629		311
Accrued facility-related costs		127		300
Other		1,433		440
Total accrued expenses	$	29,053	$	17,366