Restructuring (Tables)

6 Months Ended

Jun. 30, 2015

Restructuring and Related Activities [Abstract]

Schedule of restructuring liabilities

	December 31, 2014		Charge to expense		Cash paid		June 30, 2015
Accrued severance	$	127	$	493	$	251	$	369
Accrued retention bonuses	216		437		238		415
Property costs	—		25		$	—	25
Total	$	343	$	955	$	489	$	809