Contingencies (Tables)

3 Months Ended

Mar. 31, 2016

Commitments and Contingencies Disclosure [Abstract]

Schedule of Product Warranty Liability

Changes in the warranty liability for the three months March 31, 2016, and 2015, are summarized below:

	Three Months Ended   March 31,
	2016			2015
Aggregate product warranty liability at beginning of period	$	268		$	268
Net aggregate expense (benefit) related to product warranties	(109		)	2
Aggregate reductions for payments	—			(2		)
Aggregate product warranty liability at end of period	$	159		$	268