Warranty Reserve (Tables)

12 Months Ended

Dec. 31, 2014

Component of Accrued Warranty Expenses

Set forth in the table below is our accrued warranty expense (in thousands), which is included in accrued liabilities on the consolidated balance sheets:

	As of December 31,
	2014			2013
Accrued warranty balance as of January 1,	$	737		$	690
Warranty costs incurred		(965	)		(1,193	)
Provision for warranty claims		990			1,240
Accrued warranty balance as of December 31,	$	762		$	737