ACCOUNTS PAYABLE AND ACCRUED EXPENSES

12 Months Ended

Dec. 31, 2012

Payables and Accruals [Abstract]

ACCOUNTS PAYABLE AND ACCRUED EXPENSES

7. ACCOUNTS PAYABLE AND ACCRUED EXPENSES

Accounts payable and accrued expenses include the following at December 31, 2012 and 2011:

	2012		2011
Accounts payable	$	560	$	226
Accrued payroll		2,872		2,768
Accrued outsourced pre-clinical and clinical fees		5,501		8,034
Accrued professional fees		641		379
Other accrued expenses		589		525
	$	10,163	$	11,932