Accrued Liabilities

9 Months Ended

Sep. 30, 2013

Accrued Liabilities abstract

Accrued Liabilities

8.  Accrued Liabilities

Accrued Liabilities are comprised of the following (and are included within the accounts payable and accrued expenses line item on the consolidated balance sheets), in thousands:

	September 30,		December 31,
	2013		2012
		(unaudited)
Accrued clinical trial and clinical supply costs	$	1,313	$	3,335
Accrued compensation		3,921		2,492
Accrued sales and marketing expenses		1,166		1,315
Accrued interest		2,813		213
Other accrued liabilities		2,905		505
	$	12,118	$	7,860

Accrued clinical trial and clinical supply costs consist primarily of investigator fees, contract research organization services, contract manufacturing, pass-through costs and laboratory costs.  Other accrued liabilities consist primarily of professional fees, distribution fees, and miscellaneous accrued expenses.