v3.26.1
PROPERTY, PLANT AND EQUIPMENT, NET - Summary of Depreciation, Depletion and Amortization (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Property, Plant, and Equipment [Line Items]        
Cost of sales $ 573 $ 547 $ 1,055 $ 923
Total depreciation, depletion and amortization 1,114 951 2,065 1,694
Location, Statement of Income, Balance [Axis]: us-gaap:GeneralAndAdministrativeExpense        
Property, Plant, and Equipment [Line Items]        
Cost of sales 53 41 96 84
Location, Statement of Income, Balance [Axis]: iaux:PreDevelopmentExpenseEvaluationAndExploration        
Property, Plant, and Equipment [Line Items]        
Cost of sales 193 61 329 75
Location, Statement of Income, Balance [Axis]: iaux:PropertyMaintenanceExpense        
Property, Plant, and Equipment [Line Items]        
Cost of sales $ 295 $ 302 $ 585 $ 612