Accrued Liabilities (Tables)

3 Months Ended

Mar. 31, 2013

Accrued Liabilities

Schedule of accrued expenses

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:

	March 31,		December 31,
	2013		2012
	(unaudited)
Accrued clinical trial costs	$	2,898	$	3,335
Accrued compensation	2,238		2,492
Interest payable	187		213
Other accrued liabilities	1,917		1,820
	$	7,240	$	7,860