Accounts Payable and Accrued Expenses

12 Months Ended

Dec. 31, 2011

Accounts Payable and Accrued Expenses [Abstract]

Accounts Payable and Accrued Expenses

6. Accounts Payable and Accrued Expenses

The carrying value of our accounts payable and accrued expenses approximates fair value, as it represents amounts due to vendors and employees, which will be satisfied within one year. Accounts payable and accrued expenses as of December 31, 2011 and 2010, consisted of the following:

	2011		2010
Accrued consulting and clinical trial costs	$	1,637	$	6,125
Accrued payroll and related costs		3,149		1,725
Restructuring accrual		731		-
Legal and professional fees		371		1,116
Accounts payable		309		658
Other		134		59
Total	$	6,331	$	9,683