v3.26.3
PROPERTY, PLANT AND EQUIPMENT, NET - Summary of Depreciation, Depletion and Amortization (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Property, Plant, and Equipment [Line Items]        
Cost of sales $ 581 $ 547 $ 1,636 $ 1,470
Total depreciation, depletion and amortization 1,124 848 3,189 2,542
Location, Statement of Income, Balance [Axis]: us-gaap:GeneralAndAdministrativeExpense        
Property, Plant, and Equipment [Line Items]        
Cost of sales 57 43 153 127
Location, Statement of Income, Balance [Axis]: iaux:PreDevelopmentExpenseEvaluationAndExploration        
Property, Plant, and Equipment [Line Items]        
Cost of sales 170 112 499 187
Location, Statement of Income, Balance [Axis]: iaux:PropertyMaintenanceExpense        
Property, Plant, and Equipment [Line Items]        
Cost of sales $ 316 $ 146 $ 901 $ 758