Restructuring

3 Months Ended

Mar. 31, 2012

Notes to Financial Statements [Abstract]

Restructuring

7. Restructuring

In the third and fourth quarters of 2011, we reduced headcount resulting in a restructuring accrual of $1.3 million of severance and related benefits, which are being paid during the period from October 2011 through August 2012. We incurred other exit and contract termination costs, including expenses related to a lease amendment and consolidation of employees within reduced facility space.

Activity in the restructuring accrual, which is included in accounts payable and accrued expenses in our Consolidated Balance Sheets and research and development and general and administrative expenses in the Consolidated Statements of Operations, is specified below.

	Severance and Related Benefits			Other Exit Costs			Contract Termination Costs			Total Restructuring Accrual
Balance at December 31, 2011	$	571		$	6		$	154		$	731
Additions, net		-			122			3			125
Payments		(456	)		(123	)		(147	)		(726	)
Balance at March 31, 2012	$	115		$	5		$	10		$	130