Accrued Liabilities (Tables)

3 Months Ended

Mar. 31, 2014

Payables And Accruals [Abstract]

Accrued Liabilities

Accrued liabilities consist of the following (in thousands):

	March 31, 2014		December 31, 2013
Research and development related	$	4,220	$	3,337
Compensation related		952		1,589
Consulting and Professional Services		510		399
Other		505		324
	$	6,187	$	5,649