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Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($)	Jun. 30, 2023	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Deferred tax liabilities
Deferred tax assets:
Exploration costs	1,722,956	1,787,571
PRC tax losses	12,246,329	12,211,867
US federal net operating loss	1,556,642	1,336,405
Total deferred tax assets	15,525,927	15,335,843
Valuation allowance	(10,237,172)	(10,016,934)
Net deferred tax asset	$ 5,288,755	$ 5,318,909

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The amount of deferred tax assets PRC losses.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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