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Private Placement (Details) - $ / shares	Dec. 29, 2022	Oct. 25, 2022
Private Placement (Details) [Line Items]
Share Price	$ 10.115	$ 13.05

Private Placement Details Line Items

No definition available.

Name:	aktx_PrivatePlacementDetailsLineItems
Namespace Prefix:	aktx_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Price of a single share of a number of saleable stocks of a company.

No definition available.

Name:	us-gaap_SharePrice
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant