Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2012

Accrued Liabilities

Accrued liabilities consisted of the following (in thousands):

	December 31, 2012		December 31, 2011
Accrued compensation and related liabilities	$	7,503	$	6,481
Accrued professional fees		474		1,864
Accrued contract manufacturing expense		—		162
Other accrued liabilities		1,343		781
Total accrued liabilities	$	9,320	$	9,288