Concentration of Credit Risk (Tables)

12 Months Ended

Dec. 31, 2019

Schedule of Concentration of Sales and Accounts Receivable

The following represents customers that accounted for 10% or more of total revenue during the years ended December 31, 2019, 2018, and 2017, and customers that accounted for 10% or more of total trade accounts receivable at December 31, 2019 and 2018:

	For the year ended December 31
	2019			2018			2017
Percentage of net revenue
Customer A		36	%		36	%		21	%
Customer B		14	%		8	%		13	%
Customer C		5	%		7	%		10	%

	As of December 31
	2019			2018
Percentage of gross trade accounts receivable
Customer A		33	%		32	%
Customer B		14	%		0	%
Customer C		3	%		14	%
Customer D		5	%		14	%