Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Income Tax Expense (Details) - USD ($) $ in Millions	12 Months Ended
Income Tax Expense (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2021	Dec. 31, 2022
Income Tax Expense [Line Items]
Cumulative net operating losses	$ 54.0		$ 33.1
Hong Kong [Member]
Income Tax Expense [Line Items]
Income tax rates		16.50%
Minimum [Member] \| Hong Kong [Member]
Income Tax Expense [Line Items]
Income tax rates	8.25%
Profits tax rates	$ 2.0
Percentage of profits tax rates	8.25%
Maximum [Member] \| Hong Kong [Member]
Income Tax Expense [Line Items]
Income tax rates	16.50%
Profits tax rates	$ 2.0
Percentage of profits tax rates	16.50%