SHAREHOLDERS' EQUITY - Flow-Through Shares Issuance (Details) - USD ($) $ / shares in Units, $ in Thousands							12 Months Ended
	Dec. 19, 2025	Dec. 09, 2025	Mar. 10, 2025	Jul. 12, 2024	Jun. 14, 2024	Dec. 14, 2023	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award
Gross proceeds	$ 5,100				$ 21,900
Net proceeds							$ 3,894	$ 14,374	$ 13,428
Paragon Advanced Labs Inc.
Share-based Compensation Arrangement by Share-based Payment Award
Shares issued for acquisition of mineral property interests (in shares)		709,992
Number of shares acquired		8,742,880
Canadian Exploration Expenditures
Share-based Compensation Arrangement by Share-based Payment Award
Shares issued	215,000				643,000	788,000
Share price	$ 23.88				$ 15.45	$ 9.27
Gross proceeds	$ 5,100				$ 10,000	$ 7,300
Issuance costs	300				700	500
Net proceeds	4,900				9,300	6,800
Net proceeds allocated to the sale of tax benefits	1,000				3,300	1,300
Proceeds from issuance of common stock	$ 3,900				$ 6,000	$ 5,500
Exploration expenditures							17,300	7,900
Canadian Development Expenses
Share-based Compensation Arrangement by Share-based Payment Award
Shares issued					890,000	1,115,000
Share price					$ 13.4	$ 7.86
Gross proceeds					$ 11,900	$ 8,800
Issuance costs					800	500
Net proceeds					11,100	8,300
Net proceeds allocated to the sale of tax benefits					2,700	400
Proceeds from issuance of common stock					$ 8,400	$ 7,900
Exploration expenditures							$ 20,700	$ 9,500
Private placement
Share-based Compensation Arrangement by Share-based Payment Award
Shares issued				466,667
Proceeds from issuance of common stock				$ 14,000
Goliath Resources Limited | Private placement
Share-based Compensation Arrangement by Share-based Payment Award
Shares issued for acquisition of mineral property interests (in shares)			868,056
Number of units company acquired			5,181,347
Number of common shares			1
Share purchase warrant			0.5