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Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($)
Dec. 31, 2022
Dec. 31, 2021
Income Tax Disclosure [Abstract]    
Deferred tax liabilities $ 0 $ 0
Deferred tax assets:    
Allowance for obsolete and slow-moving inventories 0 0
Impairment on property, plant and equipment 0 0
Impairment on prepaid land lease 0 0
Exploration costs 1,787,571 1,952,783
Compensation costs of unexercised stock options 0 0
PRC tax losses 12,211,867 19,621,674
US federal net operating loss 1,336,405 1,308,335
Total deferred tax assets 15,335,843 22,882,792
Valuation allowance (10,016,934) (9,982,758)
Net deferred tax asset $ 5,318,909 $ 12,900,034