Restructuring (Tables)

9 Months Ended

Sep. 30, 2015

Restructuring and Related Activities [Abstract]

Schedule of restructuring liabilities

	December 31, 2014		Charge to expense		Cash paid		September 30, 2015
Accrued severance	$	127	$	772	$	741	$	158
Accrued retention bonuses	216		437		653		—
Property costs	—		25		$	25	—
Total	$	343	$	1,234	$	1,419	$	158