Leases - Additional Information (Detail)	Aug. 31, 2021 USD ($)
Leases [Abstract]
Increase in operating lease ROU assets and operating lease liabilities	$ 392,000

Increase in operating lease Rou assets and operating lease liabilities.

No definition available.

Name:	rcel_IncreaseInOperatingLeaseRouAssetsAndOperatingLeaseLiabilities
Namespace Prefix:	rcel_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant