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Common stock (Details) - USD ($)	1 Months Ended					3 Months Ended			9 Months Ended
	Aug. 31, 2025	Jul. 31, 2025	Jan. 31, 2025	Jun. 30, 2023	Aug. 31, 2022	Sep. 30, 2025	Mar. 31, 2025	Mar. 31, 2024	Sep. 30, 2025
Capital Unit
Stock issuance costs						$ 3,710,000	$ 744,000	$ 411,000
Shelf Registration
Capital Unit
Shares issued and sold (in shares)		16,670,000
Net proceeds from company offering		$ 46,700,000
Cowen and Company L L C | ATM Offering Program
Capital Unit
Shares issued and sold (in shares)									10,377,752
Net proceeds from company offering									$ 35,700,000
Issuance price (in usd per share)				$ 0.0001
Sale of stock, maximum offering price				$ 100,000,000
Sale of stock, commission (as a percent)				3.00%
Advanced Micro Devices, Inc | Private Placement
Capital Unit
Shares issued and sold (in shares)			5,714,285
Net proceeds from company offering			$ 20,000,000.0
Stock issuance costs			$ 2,500,000
Amortization of the premium						$ 200,000			$ 500,000
TD Securities (USA) LLC | ATM Offering Program
Capital Unit
Sale of stock, maximum offering price	$ 100,000,000
Sale of stock, commission (as a percent)	3.00%
Maximum | Shelf Registration
Capital Unit
Shares authorized (in shares)	$ 400,000,000				$ 250,000,000

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Publisher FASB
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