Accrued Expenses

3 Months Ended

Mar. 31, 2013

Accrued Expenses

9. Accrued Expenses

Accrued expenses consist of the following:

	March 31,		December 31,
	2013		2012
Payroll and benefits	$	1,948,135	$	2,477,833
Professional fees		559,098		642,853
Clinical trial costs		134,835		102,414
SRL Research grant		82,203		110,350
Restructuring costs		310,578		933,732
Other		1,217,725		1,569,862
Total	$	4,252,574	$	5,837,044