Contingent liabilities (Details)	12 Months Ended
Dec. 31, 2024 USD ($)
Contingent liabilities [Abstract]
Potential milestone payment to clinical data used in NDA	$ 100,000
Potential milestone payment of license fee	$ 1,850,000

The amount of potential milestone payments of relation to clinical data used in the new drug application (NDA).

No definition available.

Name:	tlx_PotentialMilestonePaymentOfClinicalDataUsedInNDA
Namespace Prefix:	tlx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration