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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
Royalty payments, percentage | 2.00%

X
- Definition Amount of milestone payment. + References No definition available. + Details
Name: | atnm_PaymentOfMilestone
Namespace Prefix: | atnm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition percentage of royalty payments. + References No definition available. + Details
Name: | atnm_RoyaltyPaymentsPercentage
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