Goodwill and Intangible Assets, Net (Tables)

12 Months Ended

Dec. 31, 2016

Schedule of changes in the carrying amount of goodwill

	2016			2015
Beginning balance as of January 1,	$	10,781		$	29,719
Acquisition-related goodwill	—			1,251
Impairment of goodwill	—			(20,890		)
Purchase price adjustment related to acquisition(1)	—			651
Foreign exchange impact	(23		)	50

Ending balance as of December 31,	$	10,758		$	10,781

Schedule of information regarding the Company's acquisition-related intangible assets, net

	December 31, 2016
	Gross Carrying		Accumulated		Net Carrying
	Amount		Amortization		Amount
Technology	$	24,500	(21,513	)	2,987
Customer relationships(1)	9,714		(6,016	)	3,698
Trademarks and trade name	1,670		(1,483	)	187
Domain name	50		—		50

Total acquisition-related intangible assets, net	$	35,934	(29,012	)	6,922

	December 31, 2015
	Gross Carrying		Accumulated			Net Carrying
	Amount		Amortization			Amount
Technology	$	24,500	$	(18,116	)	$	6,384
Customer relationships(2)	9,737		(5,113		)	4,624
Trademarks and trade name(2)	1,670		(1,259		)	411
Domain name(3)	50		—			50

Total acquisition-related intangible assets, net	$	35,957	$	(24,488	)	$	11,469

(1)

The decrease of $23 from December 31, 2015 to December 31,2016 results from the foreign exchange impact

(2)

In connection with the Company’s acquisition of TVN during the year ended December 31, 2015, the Company acquired the following identifiable acquisition-related intangible assets (a) $2,045 (including impact of foreign exchange transaction loss of $3) in customer relationships, and (b) $21 in trademarks and tradenames.

(3)

This intangible asset is considered to have an indefinite useful life and, therefore, not subject to amortization.

Schedule of future amortization expenses of the acquisition-related finite-lived intangible assets

The estimated future amortization expenses of the acquisition-related intangible assets that are considered to have a definite life, as of December 31, 2016, for the next five years and thereafter are as follows:

2017	4,059
2018	884
2019	884
2020	848
2021	197
2022 and thereafter	—

Total(1)	$	6,872

(1)

Total estimated future amortization expenses exclude any intangible assets considered to have an indefinite useful life.