Commitments and Contingencies Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2014

Commitments and Contingencies Disclosure [Abstract]

Schedule of Warranty Activity

Warranty activity, included in accrued expenses in our consolidated balance sheets, for 2014, 2013 and 2012 consists of the following (in thousands):

	2014			2013			2012
Beginning balance	$	328		$	58		$	3
Additions	388			290			57
Charges	(256		)	(20		)	(2		)
Ending balance	$	460		$	328		$	58

Schedule of Annual Minimum Operating Lease Payments

The approximate annual minimum lease payments over the next five years under the operating lease as of December 31, 2014 are (in thousands):

2015	$	583
2016	572
2017	578
2018	591
2019 and thereafter	1,217
	$	3,541