Warranties (Tables)

6 Months Ended

Jun. 30, 2014

Guarantees [Abstract]

Schedule of Warranty Activity

The activity in our warranty liability was as follows:

	Three months						Six months
	ended June 30,						ended June 30,
	2014			2013			2014			2013
Balance, beginning of period	$	91		$	46		$	116		$	45
Provision for claims		17			35			68			66
Product or cash issued to settle claims		(49	)		(47	)		(125	)		(77	)
Balance, end of period	$	59		$	34		$	59		$	34