Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Carrying Amount of Goodwill

The carrying amount of goodwill is as follows:

	USD
Balance as of December 31, 2014	$	66,045
Acquisition of Solar Juice (Note 3)		8,238
Acquisition of CECEP (Note 3)		1,417
Acquisition of Energiebau		269
Balance as of December 31, 2015	$	75,969

Other Intangible Assets

Intangible assets consisted of the following:

	Useful Life (in months)	Gross		Impairment Charge		Accumulated Amortization			Net
As of December 31, 2015
Patent	57		2,700		—		(2,700	)		—
Customer Relationship	120		4,728		—		(274	)		4,454
Website	36		100		—		(28	)		72
		$	7,528			$	(3,002	)	$	4,526
As of December 31, 2014
Patent	57	$	2,700	$	—	$	(2,140	)	$	560
		$	2,700	$	—	$	(2,140	)	$	560

Estimated Future Amortization Expense Related to Other Intangible Assets

As of December 31, 2015, the estimated future amortization expense related to other intangible assets is as follows:

	USD
2016		522
2017		522
2018		491
2019		488
2020		471
Thereafter		2,032
	$	4,526