Accounts Payable and Accrued Expenses

6 Months Ended

Jun. 30, 2013

Accounts Payable and Accrued Expenses [Abstract]

Accounts Payable and Accrued Expenses

7. 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 the dates indicated below consisted of the following:

	June 30, 2013		December 31, 2012
Accrued consulting and clinical trial costs	$	1,988	$	2,193
Accrued payroll and related costs		1,518		1,552
Restructuring accrual		537		813
Legal and professional fees		939		774
Accounts payable		859		229
Other		120		79
Total	$	5,961	$	5,640