Deferred Warranty Revenue and Warranty Reserve (Tables)

12 Months Ended

Dec. 31, 2014

Guarantees [Abstract]

Deferred Warranty Revenue

Deferred warranty revenue at December 31, 2014 will be recognized as revenue as follows:

Year	Amount
2015	$	38
2016		24
2017		18
2018		9
2019		3
Total	$	92

Schedule of Warranty Activity

Activity in the warranty reserve account during the three years ended December 31, 2014 was as follows:

	For the years ended December 31,
	2014			2013			2012
Balance, beginning of period	$	116		$	45		$	36
Provision for warranty claims		173			216			139
Product or cash issued to settle claims		(204	)		(145	)		(130	)
Balance, end of period	$	85		$	116		$	45