Accounts Payable and Accrued Expenses

6 Months Ended

Jun. 30, 2011

Accounts Payable and Accrued Expenses [Abstract]

Accounts Payable and Accrued Expenses

7.   Accounts Payable and Accrued Expenses

Accounts payable and accrued expenses as of June 30, 2011 and December 31, 2010 consist of the following:

	June 30, 2011	December 31, 2010
Accounts payable	$25,955	$15,589
Accrued payroll and related costs	26,029	12,025
Accrued clinical trial expense	9,802	9,727
Accrued property, plant, and equipment costs	1,057	7,622
Other accrued expenses and liabilities	7,810	6,441
Payable to Bayer HealthCare LLC	11,012	2,254
	$81,665	$53,658