Goodwill and Intangible Assets, net

12 Months Ended

Dec. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

The goodwill and intangible assets were acquired as part of the acquisition of Mainstream Energy Corporation, which included AEE Solar and its racking business SnapNrack, and Clean Energy Experts, LLC.

The Company performs its annual impairment test of goodwill on October 1 of each fiscal year or whenever events or circumstances change or occur that would indicate that goodwill might be impaired. The Company has determined that it has one reporting unit.

There was no impairment of goodwill during the years ended December 31, 2018, 2017 and 2016, respectively.

Intangible assets, net as of December 31, 2018 consist of the following (in thousands, except weighted average remaining life):



	Cost		Accumulated amortization			Carrying value		Weighted average remaining life (in years)
Customer relationships	$	14,660	$	(7,716	)	$	6,944	4.6
Developed technology	6,820		(5,328		)	1,492		1.2
Trade names	6,990		(5,338		)	1,652		4.1
Total	$	28,470	$	(18,382	)	$	10,088

Intangible assets, net as of December 31, 2017 consist of the following (in thousands, except weighted average remaining life):



	Cost		Accumulated amortization			Carrying value		Weighted average remaining life (in years)
Customer relationships	$	14,660	$	(6,017	)	$	8,643	5.5
Developed technology	6,820		(3,963		)	2,857		2.2
Trade names	6,990		(4,196		)	2,794		4.0
Total	$	28,470	$	(14,176	)	$	14,294

The Company recorded amortization of intangible assets expense of $4.2 million, $4.2 million and $4.2 million for the years ended December 31, 2018, 2017 and 2016, respectively. As of December 31, 2018, expected amortization of intangible assets for each of the five succeeding fiscal years and thereafter is as follows (in thousands):



2019	$	3,335
2020	2,143
2021	1,750
2022	1,743
2023	1,049
Thereafter	68
Total	$	10,088

- 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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