Accrued Expenses

12 Months Ended

Dec. 31, 2011

Accrued Expenses

7. Accrued Expenses

Accrued expenses consist of the following:

	December 31,
	2011		2010
Payroll and benefits	$	2,366,412	$	1,895,393
Professional fees		793,430		417,751
Clinical trial costs		-		149,319
SRL research grants		989,556		2,021,003
Other		1,172,196		892,119
Total	$	5,321,594	$	5,375,585