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Leases (Details)	6 Months Ended
	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