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Income Taxes (Details) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Income Taxes
Income tax expense (benefit)	$ 0	$ 0
Liability for uncertain tax positions	0		$ 0
Accrued interest or penalties	$ 0		$ 0

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The amount of estimated penalties and interest accrued as of the balance sheet date arising from income tax examinations.

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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 increase (decrease) in unrecognized tax benefits attributable to uncertain tax positions taken in tax returns.

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