v3.25.4

Common and Preferred Stock - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands			12 Months Ended
	Aug. 12, 2025	Aug. 07, 2025	Dec. 31, 2025	Dec. 31, 2024
Class Of Stock [Line Items]
Common stock shares authorized			200,000,000	200,000,000
Common stock par value			$ 0.0001	$ 0.0001
Preferred stock shares authorized			10,000,000	10,000,000
Preferred stock par value			$ 0.0001	$ 0.0001
Common stock shares issued			30,571,662	26,354,042
Common stock shares outstanding			30,571,662	26,354,042
Preferred stock shares outstanding			0	0
Share issued to lender		400,000
Proceeds from issuance of common stock			$ 14,792
Private Placement
Class Of Stock [Line Items]
Proceeds from issuance of common stock	$ 14,800
CHESS Depositary Interests
Class Of Stock [Line Items]
Share issued to lender	17,201,886
Australian Securities Exchange
Class Of Stock [Line Items]
Share issued to lender	3,440,377
Shareholders Of Avita Medical \| ADRS
Class Of Stock [Line Items]
Reverse stock split ratio, description			One share of Common stock on Nasdaq is equivalent to five CDIs on the ASX.

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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AVITA Medical, Inc. 10-K