Goodwill and Intangible Assets, Net (Tables)

12 Months Ended

Dec. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Carrying value of intangible assets

The carrying values of intangible assets are as follows (in thousands):

				December 31,
				2015					2014
	Estimated Lives	Cost		Accumulated Amortization			Net Book Value		Accumulated Amortization			Net Book Value
Existing technology	7 years	$	1,910	$	(1,456	)	$	454	$	(1,183	)	$	727
Patent license	14 years	1,388		(522		)	866		(422		)	966
Non-competition agreements and other	3 years	171		(171		)	—		(158		)	13
Total intangibles subject to amortization		$	3,469	$	(2,149	)	1,320		$	(1,763	)	1,706
Intangible assets not subject to amortization							40					295
Total intangible assets, net							$	1,360				$	2,001

Intangible assets future periods amortization expense

As ofDecember 31, 2015, the Company expects amortization expense in future periods to be as follows (in thousands):

2016	$	373
2017	282
2018	100
2019	100
2020	100
2021 and thereafter	365
Total expected future amortization expense	$	1,320