Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2012

Accrued Expenses

Accrued expenses consist of the following:

	December 31,
	2012		2011
Payroll and benefits	$	2,477,833	$	2,366,412
Professional fees		642,853		793,430
Clinical trial costs		102,414		-
SRL research grants		110,350		989,556
Restructuring costs		933,732		-
Other		1,569,862		1,172,196
Total	$	5,837,044	$	5,321,594