Stockholders’ Equity - Schedule of Ownership Interest in Subsidiaries on Equity (Details) (Parenthetical)	Jun. 30, 2026 shares
SEALSQ Corp [Member]
Schedule of Ownership Interest in Subsidiaries on Equity [Line Items]
Number of subsidiary shares sold	31,905,635

Number of shares of a subsidiary, not wholly owned by the Company, sold during the reporting period that resulted in a reduction of the parent's ownership interest and does not result in a loss of control by the parent.

No definition available.

Name:	wkey_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestSaleOfInterestByParentShares
Namespace Prefix:	wkey_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant