Accounts Payable and Accrued Expenses (Tables)

9 Months Ended

Sep. 30, 2013

Accounts Payable and Accrued Expenses [Abstract]

Schedule of accounts payable and accrued expenses

	September 30, 2013		December 31, 2012
Accrued consulting and clinical trial costs	$	2,565	$	2,193
Accrued payroll and related costs		2,110		1,552
Restructuring accrual		89		813
Legal and professional fees		833		774
Accounts payable		234		229
Other		73		79
Total	$	5,904	$	5,640