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Related Parties Disclosure - Schedule of Subsidiary/Parent Ownership Interest (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
WISeKey SA
Related Party Transaction [Line Items]
Country of incorporation	Switzerland
Year of incorporation	1999
Share capital	$ 933,436
% ownership	95.75%	95.75%
Nature of business	Main operating company. Sales and R&D services
WISeKey Semiconductors SAS
Related Party Transaction [Line Items]
Country of incorporation	France
Year of incorporation	2010
Share capital	$ 1,298,162
% ownership	100.00%	100.00%
Nature of business	Chip manufacturing, sales & distribution
WiseTrust SA
Related Party Transaction [Line Items]
Country of incorporation	Switzerland
Year of incorporation	1999
Share capital	$ 680,000
% ownership	100.00%	100.00%
Nature of business	Non-operating investment company
WISeKey ELA SL
Related Party Transaction [Line Items]
Country of incorporation	Spain
Year of incorporation	2006
Share capital	$ 4,000,000
% ownership	100.00%	100.00%
Nature of business	Sales & support
WISeKey SAARC Ltd.
Related Party Transaction [Line Items]
Country of incorporation	U.K.
Year of incorporation	2016
Share capital	$ 100,000
% ownership	51.00%	51.00%
Nature of business	Non trading
WISeKey USA Inc
Related Party Transaction [Line Items]
Country of incorporation	U.S.A
Year of incorporation	2006
Share capital	$ 6,500
% ownership	100.00%	100.00%
Nature of business	Sales & support
WISeKey India Private Ltd
Related Party Transaction [Line Items]
Country of incorporation	India
Year of incorporation	2016
Share capital	$ 1,000,000
% ownership	45.90%	45.90%
Nature of business	Sales & support
WISeKey IoT Japan KK
Related Party Transaction [Line Items]
Country of incorporation	Japan
Year of incorporation	2017
Share capital	$ 1,000,000
% ownership	100.00%	100.00%
Nature of business	Sales & distribution
WISeKey IoT Taiwan
Related Party Transaction [Line Items]
Country of incorporation	Taiwan
Year of incorporation	2017
Share capital	$ 100,000
% ownership	100.00%	100.00%
Nature of business	Sales & distribution
WISeCoin AG
Related Party Transaction [Line Items]
Country of incorporation	Switzerland
Year of incorporation	2018
Share capital	$ 100,000
% ownership	90.00%	90.00%
Nature of business	Sales & distribution
WISeKey Equities AG
Related Party Transaction [Line Items]
Country of incorporation	Switzerland
Year of incorporation	2018
Share capital	$ 100,000
% ownership	100.00%	100.00%
Nature of business	Financing, Sales & distribution
WISeKey Semiconductors GmbH
Related Party Transaction [Line Items]
Country of incorporation	Germany
Year of incorporation	2019
Share capital	$ 25,000
% ownership	100.00%	100.00%
Nature of business	Sales & distribution
WISeKey Arabia - Information Technology Ltd
Related Party Transaction [Line Items]
Country of incorporation	Saudi Arabia
Year of incorporation	2019
Share capital	$ 200,000
% ownership	51.00%	51.00%
Nature of business	Sales & distribution
WISe.Art AG
Related Party Transaction [Line Items]
Country of incorporation	Switzerland
Year of incorporation	2020
Share capital	$ 100,000
% ownership	100.00%	100.00%
Nature of business	Sales & distribution
WISeKey Vietnam Ltd
Related Party Transaction [Line Items]
Country of incorporation	Vietnam
Year of incorporation	2021
Share capital	$ 689,400,000
% ownership	95.75%	95.75%
Nature of business	R&D
SEALSQ Corp.
Related Party Transaction [Line Items]
Country of incorporation	British Virgin Islands
Year of incorporation	2022
Share capital	$ 100
% ownership	100.00%
Nature of business	Sales & support
WISeKey (Gibraltar) Limited
Related Party Transaction [Line Items]
Country of incorporation	Gibraltar
Year of incorporation	2022
Share capital	$ 100
% ownership	100.00%
Nature of business	Sales & support
Trust Protocol Association
Related Party Transaction [Line Items]
Country of incorporation	Switzerland
Year of incorporation	2019
% ownership	100.00%	100.00%
Nature of business	Association cofounded by WISeKey Equities AG  involved in Internet security

X

- Definition

Value of entity shares held by subsidiary, which are purchased for the purpose of granting the shares to senior employees as part of an employee stock option plan approved by the Entity's Board of Directors. Presented as a reduction of shareholders' equity at their cost to the subsidiary.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.29)
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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