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Income taxes (Details Narrative) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]
Income tax provision	$ (3,238,000)	$ 13,000	$ 9,000
WISeKey Semiconductors SAS
Defined Benefit Plan Disclosure [Line Items]
Income tax provision	$ 39,901

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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