Goodwill and Intangible Assets

12 Months Ended

Dec. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

The changes in the carrying amount of goodwill for the year ended December 31, 2018 are as follows (amounts in thousands):



	Business			Consumer		Total
Balance as of December 31, 2017	$	72,507		$	8,024	$	80,531
Adjustments to goodwill:
Acquisitions	14,606			—		14,606
Foreign exchange adjustments	(106		)	—		(106		)
Balance as of December 31, 2018	$	87,007		$	8,024	$	95,031

The changes in the carrying amount of goodwill for the year ended December 31, 2017 are as follows (amounts in thousands):



	Business		Consumer		Total
Balance as of December 31, 2016	$	72,221	$	8,024	$	80,245
Adjustments to goodwill:
Foreign exchange adjustments	286		—		286
Balance as of December 31, 2017	$	72,507	$	8,024	$	80,531

The total accumulated goodwill impairment charges are $23.5 million through December 31, 2018. No impairment was recognized for the years ended December 31, 2018, 2017, and 2016.

Intangible Assets

Intangible assets are summarized as follows (see Note 8) (amounts in thousands):



	December 31, 2018
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Weighted Average Amortization Period
Amortizing intangible assets:
Technology	$	30,447	$	(23,615	)	$	6,832	5.3 years
Customer relationships	17,219		(11,786		)	5,433		8.4 years
Trade names	1,286		(1,286		)	—		2.1 years
Non-compete agreements	1,436		(1,436		)	—		2.3 years
Patents	2,074		(534		)	1,540		12.4 years
Other	262		(235		)	27		2.7 years
Total	$	52,724	$	(38,892	)	$	13,832



	December 31, 2017
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Weighted Average Amortization Period
Amortizing intangible assets:
Technology	$	27,882	$	(22,197	)	$	5,685	5.3 years
Customer relationships	15,978		(10,457		)	5,521		8.0 years
Trade names	1,289		(1,283		)	6		2.1 years
Non-compete agreements	1,439		(1,439		)	—		2.3 years
Patents	1,620		(493		)	1,127		13.1 years
Other	262		(235		)	27		2.7 years
Total	$	48,470	$	(36,104	)	$	12,366

Amortization expense is calculated over the estimated useful life of the asset. Aggregate amortization expense for intangible assets was $2.8 million, $4.7 million and $6.7 million for the years ended December 31, 2018, 2017 and 2016, respectively. For the years ended December 31, 2018, 2017 and 2016, a portion of this amortization is included in cost of revenue. Estimated amortization expense for the next five years are as follows (amounts in thousands):



	Estimated Amortization Expense
2019	$	2,901
2020	2,708
2021	2,498
2022	2,143
2023	902
Thereafter	2,680
Total	$	13,832

- Definition

The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss.

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