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Segment Reporting (Tables)

3 Months Ended

Apr. 30, 2025

Segment Reporting [Abstract]

Company's Revenue by Geographic Region Based on Bill-to Location

The following table sets forth the Company’s revenue by geographic region based on bill-to location for the periods indicated.

		Three Months Ended April 30,
		2025				2024
		(in thousands)
Taiwan		$	53,899			$	33,685
Asia Pacific other than Taiwan			16,559				12,750
Europe			8,739				4,199
North America other than United States			5,145				2,770
United States			1,530				1,069
Total revenue		$	85,872			$	54,473

Summary of Significant Segment Expense Included in Consolidated Net Loss

The following table presents the significant segment expenses included in the condensed consolidated net loss for the periods indicated:

		Three Months Ended April 30,
		2025				2024
		(in thousands)
Total revenue		$	85,872			$	54,473
Less cost and expense:
Product cost			32,628				19,949
Employee-related			31,459				28,383
Stock-based compensation			26,130				26,036
Semiconductor development cost			6,772				6,374
Tools & equipment			8,066				5,373
Professional services			3,687				4,374
Facilities-related			2,662				2,767
Other segment items (a)			956				1,469
Interest income			(2,160	)			(2,320	)
Net loss		$	(24,328	)		$	(37,932	)

(a) The other segment items include amortization of intangible assets acquired from business combinations, non-operating (income) expenses, income tax provision (benefit) and other immaterial items

X

- Definition

Tabular disclosure of the reconciliation of profit (loss) from reportable segments to the consolidated income (loss) before income tax expense (benefit) and discontinued operations. Includes, but is not limited to, reconciliation after income tax if income tax is allocated to the reportable segment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 31
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-31

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-30

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X

- Definition

Tabular disclosure of the names of foreign countries from which revenue is material and the amount of revenue from external customers attributed to those countries. An entity may also provide subtotals of geographic information about groups of countries.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 41
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-41

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- References

No definition available.

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