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Related Parties Disclosure - Schedule of Subsidiary/Parent Ownership Interest (Details) - USD ($) $ in Thousands | 12 Months Ended
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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 |

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- 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 + Details
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