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Contingent Liabilities (Details) - Kabanga Nickel Company Ltd [Member]	12 Months Ended
	Dec. 31, 2021 USD ($)	Dec. 31, 2021 TZS (Tsh)	Dec. 31, 2020 USD ($)	Dec. 31, 2020 TZS (Tsh)	Jan. 31, 2021 TZS (Tsh)
Contingent Liabilities [Line Items]
Bank balances					Tsh 823,400,321
Amount of tax in dispute	$ 167,716	Tsh 421,811,314	$ 3,350,393	Tsh 8,426,336,706

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- Definition

The amount of cash and bank balances held at central banks.

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- Definition

The amount of tax expense exclusive of income tax expense.

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