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SIGNIFICANT ACCOUNTING ISSUES - Risks and Uncertainties (Details) - USD ($) $ in Thousands					9 Months Ended	12 Months Ended
	Mar. 02, 2022	Jan. 29, 2021	Dec. 31, 2020	Sep. 10, 2020	Sep. 30, 2022	Dec. 31, 2021	Aug. 31, 2022	Jun. 30, 2022	Mar. 31, 2022
Long-term debt					$ 59,834	$ 48,866
Secured Debt
Long-term debt									$ 50,000
Unsecured Debt
Long-term debt									$ 15,000
Los Azules Copper Project
Long-term debt							$ 28,900	$ 15,000
Canadian Development Expenses | Los Azules Copper Project
Long-term debt						40,000
Canadian Development Expenses | Equity Financing In February 2021
Gross proceeds						31,500
Canadian Development Expenses | Flow Through Common Shares
Gross proceeds		$ 12,700				$ 12,700
Canadian Exploration Expenditures | Flow Through Common Shares
Gross proceeds	$ 15,100		$ 9,800	$ 10,400	$ 15,100

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