Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2014

Commitments and Contingencies [Abstract]

Product warranty accrued liability

The following table reflects the change in our warranty accrual which is included in “accrued liabilities” on the condensed consolidated balance sheets, during the three and nine months ended September 30, 2014 and 2013 (in thousands):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2014			2013			2014			2013
Beginning accrued warranty and related costs	$	980		$	804		$	1,048		$	588
Accruals for warranties issued		243			183			820			588
Adjustments related to pre-existing warranties including expirations and changes in estimates		(55	)		14			(357	)		351
Cost of warranty repair		(264	)		(106	)		(607	)		(602	)
Ending accrued warranty and related costs	$	904		$	895		$	904		$	895

Outstanding contractual obligations

Outstanding contractual obligations as of September 30, 2014 are summarized as follows (in thousands):

	Payments due by period
Contractual Obligations	Total		Less than 1 year		1-3 years		4-5 years		More than 5 years
Operating leases	$	689	$	260	$	330	$	53	$	46
Royalty agreement		2,725		800		1,206		719		—
Total	$	3,414	$	1,060	$	1,536	$	772	$	46