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v3.22.2

Leases (Details) | 6 Months Ended
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Jun. 30, 2022
Leases [Abstract] |
Number of operating lease | 2
Number of finance lease | 2
Operating lease of auxiliary corporate office space | 1

X
- Definition Addition of auxiliary corporate office sapce for operating lease. + References No definition available. + Details
Name: | atnm_AdditionSpaceForOperatingLease
Namespace Prefix: | atnm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of finance lease for office equipment and furniture. + References No definition available. + Details
Name: | atnm_NumberOfFinanceLease
Namespace Prefix: | atnm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of operating lease for corporate office. + References No definition available. + Details
Name: | atnm_NumberOfOperatingLease
Namespace Prefix: | atnm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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