Accounts Payable and Accrued Expenses (Tables)

6 Months Ended

Jun. 30, 2013

Accounts Payable and Accrued Expenses [Abstract]

Schedule of accounts payable and accrued expenses

	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