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v3.25.1

Commitments and Contingencies (Details) $ in Millions | Jun. 15, 2012 USD ($)
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Commitments and Contingencies [Abstract] |
Milestone payment | $ 1
Net sales percentage | 2.00%

X
- Definition The amount of milestone payment. + References No definition available. + Details
Name: | atnm_MilestonePayment
Namespace Prefix: | atnm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Net sales percentage. + References No definition available. + Details
Name: | atnm_NetSalesPercentage
Namespace Prefix: | atnm_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration