Segment Information (Tables)

3 Months Ended

Mar. 31, 2023

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:

	Three Months Ended
	March 31,
(In thousands)	2023		2022
USA	$	63,656	$	55,684
South Korea	14,144		1,465
Asia-Other	12,704		17,792
Singapore	11,328		14,045
Taiwan	6,509		4,960
Japan	2,415		3,535
Europe	1,753		1,564
Canada	1,253		5
Total	$	113,762	$	99,050

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 March 31, 2023 and December 31, 2022, respectively, was as follows:

	As of
Customer	March 31, 2023		December 31, 2022
Customer 1	25	%	16	%
Customer 2	11	%	23	%
Customer 3	*		14	%

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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 three months ended March 31, 2023 and 2022, respectively, was as follows:

	Three Months Ended
	March 31,
Customer	2023		2022
Customer A	19	%	25	%
Customer B	16	%	*
Customer C	11	%	*
Customer D	11	%	14	%

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