27. Concentration Risk

12 Months Ended

Dec. 31, 2019

Risks and Uncertainties [Abstract]

Concentration Risk

27. Concentration Risk

A substantial percentage of the Group’s net revenue comes from sales made to a small number of customers to whom sales are typically made on an open account basis. There was no customer of which the revenue accounted for 10% or more of total net revenue for the years ended December 31, 2019, 2018 and 2017.

Details of customers accounting for 10% or more of total accounts receivable and notes receivable as of December 31, 2019 and 2018, respectively are:

	December 31, 2019				December 31, 2018
Customer			% of Total				% of Total
Valta Solar LLC	$	5,432		32%	$	8,366		25%
Thermi Venture SA.		–		–%		6,763		20%
AES Distribution Energy, LLC		–		–%		3,525		11%
KDC Solar Designed LLC		–		–%		4,823		15%
	$	5,432		32%	$	23,477		71%