v3.26.1
Common and Preferred Stock - Additional Information (Detail) - $ / shares
6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
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 30,926,847 30,571,662
Common stock shares outstanding 30,926,847 30,571,662
Preferred stock shares outstanding 0 0
Preferred stock shares issued 0 0
Number of shares awards deferred, unvested 75,391 135,493
Shareholders Of Avita Medical | ADRS    
Class Of Stock [Line Items]    
Reverse stock split ratio, description Every five CDIs on ASX represents one share of Common Stock.