Segments and Major Customers

12 Months Ended

Dec. 31, 2020

Segment Reporting [Abstract]

Business Segments and Major Customers

Segments and Major Customers

Operating segments are based upon Rambus’ internal organization structure, the manner in which its operations are managed, the criteria used by its Chief Operating Decision Maker (“CODM”) to evaluate segment performance and availability of separate financial information regularly reviewed for resource allocation and performance assessment.

The Company has determined its CODM to be the Chief Executive Officer (“CEO”). The CEO reviews financial information presented on a consolidated basis for purposes of managing the business, allocating resources, making operating

decisions and assessing financial performance. On this basis, the Company is organized and operates as a single segment within the semiconductor space. As of December 31, 2020, the Company has a single operating and reportable segment. Accordingly, no additional disclosure of segment measures of profit or loss or total assets is applicable for all periods presented.

Accounts receivable from the Company’s major customers representing 10% or more of total accounts receivable at December 31, 2020 and 2019, respectively, was as follows:

	As of December 31,
	2020		2019
Customer 1	14	%	*
Customer 2	13	%	14	%
Customer 3	11	%	*
Customer 4	*		19	%

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*    Customer accounted for less than 10% of total accounts receivable in the period

Revenue from the Company’s major customers representing 10% or more of total revenue for the years ended December 31, 2020, 2019 and 2018 was as follows:

	Years Ended December 31,
	2020		2019		2018
Customer A	15	%	10	%	*
Customer B	13	%	*		*
Customer C	*		14	%	15	%
Customer D	*		*		11	%

Revenue from customers in the geographic regions based on the location of contracting parties was as follows:

	Years Ended December 31,
(In thousands)	2020		2019		2018
USA	$	137,614	$	134,526	$	129,567
Taiwan	21,803		24,118		21,749
South Korea	3,664		3,583		13,421
Japan	16,862		11,877		23,222
Europe	7,359		10,262		15,668
Canada	1,162		3,554		4,960
Singapore	28,034		21,751		19,140
Asia-Other	26,249		14,356		3,474
Total	$	242,747	$	224,027	$	231,201

At December 31, 2020, of the $57.7 million of total property, plant and equipment, approximately $53.2 million were located in the United States, $3.3 million were located in India and $1.2 million were located in other foreign locations. At December 31, 2019, of the $44.7 million of total property, plant and equipment, approximately $40.3 million were located in the United States, $3.4 million were located in India and $1.0 million were located in other foreign locations.