Segment Information (Tables)

12 Months Ended

Dec. 31, 2022

Concentration risk

Revenue from external customer by geographic regions

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

	Years Ended December 31,
(In thousands)	2022		2021		2020
USA	$	277,776	$	211,419	$	137,614
Singapore	57,309		39,798		28,034
Asia-Other	54,421		28,949		26,249
Taiwan	35,116		23,953		21,803
Japan	16,516		14,894		20,437
South Korea	7,222		6,007		3,664
Europe	6,213		3,165		7,359
Canada	220		119		1,162
Total	$	454,793	$	328,304	$	246,322

Accounts receivable

Concentration risk

Schedule of customer accounts representing 10% or more than 10% of total balance

Accounts receivable from the Company’s major customers representing 10% or more of total accounts receivable at December 31, 2022 and 2021, respectively, was as follows:

	As of December 31,
Customer	2022		2021
Customer 1	23	%	17	%
Customer 2	16	%	*
Customer 3	14	%	19	%

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

Revenue

Concentration risk

Schedule of customer accounts representing 10% or more than 10% of total balance

Revenue from the Company’s major customers representing 10% or more of total revenue for the years ended December 31, 2022, 2021 and 2020, respectively, was as follows:

	Years Ended December 31,
Customer	2022		2021		2020
Customer A	19	%	21	%	12	%
Customer B	17	%	13	%	*
Customer C	14	%	11	%	15	%

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*    Customer accounted for less than 10% of total revenue in the period.