Goodwill and Intangible Assets, Net (Tables)

12 Months Ended

Dec. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Carrying value of intangible assets

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

				December 31,
				2016					2015
	Estimated Lives	Cost		Accumulated Amortization			Net Book Value		Accumulated Amortization			Net Book Value
Existing technology	7 years	$	1,910	$	(1,728	)	$	182	$	(1,456	)	$	454
Patent license	14 years	1,388		(623		)	765		(522		)	866
Non-competition agreements and other	3 years	171		(171		)	—		(171		)	—
Total intangibles subject to amortization		$	3,469	$	(2,522	)	947		$	(2,149	)	1,320
Intangible assets not subject to amortization							40					40
Total intangible assets, net							$	987				$	1,360

Intangible assets future periods amortization expense

As ofDecember 31, 2016, the Company expects amortization expense in future periods to be as follows (in thousands):

2017	$	282
2018	100
2019	100
2020	100
2021	100
2022 and thereafter	265
Total expected future amortization expense	$	947