Accrued Expenses

9 Months Ended

Sep. 30, 2013

Disclosure Text Block Supplement [Abstract]

Accrued Expenses

4. Accrued Expenses

Accrued expenses consisted of the following (in thousands):

	September 30, 2013		December 31, 2012
	(unaudited)
Accrued research and development services	$	4,604	$	3,216
Accrued compensation and benefits		1,410		413
Accrued professional fees		446		364
Other		210		146
Total	$	6,670	$	4,139