Sublease Agreement and Lease Exit Liability (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2013

Dec. 31, 2012

Restructuring And Related Activities [Abstract]

Schedule of Lease Exit Liability Activity

The lease exit liability activity for the nine months ended September 30, 2013 is as follows (in thousands):

	Nine Months Ended Sept 30, 2013
Balance at January 1, 2013	$	609
Accretion expense		21
Lease payments		(128	)
Balance at September 30, 2013	$	502

expense in the consolidated statement of operations. The lease exit liability activity for the years ended December 31, 2012 and 2011 are as follows (in thousands):

	Year Ended December 31,
	2012			2011
Balance at beginning of year	$	729		$	828
Accretion expense		34			39
Lease payments		(154	)		(138	)
Balance at end of the year	$	609		$	729