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Income Taxes - Schedule of Income Tax Expense at the Swiss Statutory Rate (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Net income/(loss) from continuing operations before income tax	$ (13,045)	$ (23,459)	$ (28,898)
Statutory tax rate	14.00%	14.00%	14.00%
Expected income tax (expense)/recovery	$ 1,825	$ 3,282	$ 4,043
Change in valuation allowance	(3,129)	(2,849)	(631)
Change in tax loss carryforwards	5,760	(341)	(3,411)
Add back loss carryforwards used for the debt remission by WISeKey Semiconductors SAS	1,342
Permanent Difference	(2,560)	(105)	(10)
Income tax income / (expense) from continuing operations	$ 3,238	$ (13)	$ (9)

X

- Definition

Amount of other deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. For example, but not limited to, acquisition-date income tax benefits or expenses recognized from changes in the acquirer's valuation allowance for its previously existing deferred tax assets resulting from a business combination and adjustments to beginning-of-year balance of a valuation allowance because of a change in circumstance causing a change in judgment about the realizability of the related deferred tax asset in future periods.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible expenses.

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