Accrued Expenses (Tables)

6 Months Ended

Jun. 30, 2013

Accrued Expenses

Accrued expenses consist of the following:

	June 30,		December 31,
	2013		2012
Payroll and benefits	$	2,162,634	$	2,477,833
Professional fees		469,991		642,853
Clinical trial costs		67,767		102,414
Restructuring costs		283,063		933,732
Other		1,520,096		1,680,212
Total	$	4,503,551	$	5,837,044