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PLANT EQUIPMENT AND MINING PROPERTIES (Details) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2025
Dec. 31, 2024
Statement [Line Items]    
Additions/ Transfers $ 4,227,000 $ 5,139,000
Writendowns (70,000) (3,703,000)
Effect Of Movements In Exchange Rates 25,000 (40,000)
Beginning Balance 69,141,000 80,323,000
Ending balance 85,901,000 81,719,000
Accumulated Depletion And Depreciation, Beginning Balance 27,918,000 27,254,000
Accumulated Depletion And Depreciation, Additions / Transfers 949,000 3,379,000
Accumulated Depletion And Depreciation, Ending Balance 28,798,000 27,918,000
Accumulated Depletion And Depreciation, Writedowns (69,000) (2,715,000)
Net book value 57,103,000 53,801,000
Office Equipment Furniture And Fixtures [Member]    
Statement [Line Items]    
Additions/ Transfers 8,000 395,000
Writendowns (5,000) (36,000)
Effect Of Movements In Exchange Rates 1,000 (12,000)
Beginning Balance 1,191,000 844,000
Ending balance 1,195,000 1,191,000
Accumulated Depletion And Depreciation, Beginning Balance 643,000 548,000
Accumulated Depletion And Depreciation, Additions / Transfers 36,000 130,000
Accumulated Depletion And Depreciation, Ending Balance 674,000 643,000
Accumulated Depletion And Depreciation, Writedowns (5,000) (35,000)
Net book value 521,000 548,000
Mine Machinery And Transportation Equipment [Member]    
Statement [Line Items]    
Additions/ Transfers 3,369,000 417,000
Writendowns (6,000) (1,679,000)
Effect Of Movements In Exchange Rates 1,000 20,000
Beginning Balance 16,331,000 17,573,000
Ending balance 19,695,000 16,331,000
Accumulated Depletion And Depreciation, Additions / Transfers 46,000 1,534,000
Accumulated Depletion And Depreciation, Writedowns (6,000) (1,472,000)
Net book value 14,358,000 11,034,000
Accumulated Depletion And Depreciation, Beginning Balance 5,279,000 5,235,000
Accumulated Depletion And Depreciation, Ending Balance 5,337,000 5,297,000
Mill Machinery And Processing Equipment [Member]    
Statement [Line Items]    
Additions/ Transfers 322,000 2,994,000
Writendowns (5,000) (983,000)
Effect Of Movements In Exchange Rates 1,000 (21,000)
Beginning Balance 28,222,000 26,232,000
Ending balance 28,540,000 28,222,000
Accumulated Depletion And Depreciation, Beginning Balance 7,849,000 7,894,000
Accumulated Depletion And Depreciation, Additions / Transfers 515,000 549,000
Accumulated Depletion And Depreciation, Ending Balance 8,360,000 7,849,000
Accumulated Depletion And Depreciation, Writedowns (4,000) (594,000)
Net book value 20,180,000 20,373,000
Mining Property [Member]    
Statement [Line Items]    
Additions/ Transfers 324,000 870,000
Writendowns 0 0
Effect Of Movements In Exchange Rates 0 (15,000)
Beginning Balance 19,230,000 18,375,000
Ending balance 19,554,000 19,230,000
Accumulated Depletion And Depreciation, Beginning Balance 9,899,000 9,473,000
Accumulated Depletion And Depreciation, Additions / Transfers 114,000 426,000
Accumulated Depletion And Depreciation, Ending Balance 10,013,000 9,899,000
Accumulated Depletion And Depreciation, Writedowns 0 0
Net book value 9,541,000 9,331,000
Computer equipment [member]    
Statement [Line Items]    
Additions/ Transfers 57,000 18,000
Writendowns (54,000) (183,000)
Effect Of Movements In Exchange Rates 0 (1,000)
Beginning Balance 1,763,000 1,929,000
Ending balance 1,766,000 1,763,000
Accumulated Depletion And Depreciation, Beginning Balance 1,000,000 781,000
Accumulated Depletion And Depreciation, Additions / Transfers 154,000 401,000
Accumulated Depletion And Depreciation, Ending Balance 1,100,000 1,000,000
Accumulated Depletion And Depreciation, Writedowns (54,000) (182,000)
Net book value 666,000 763,000
Buildings and construction in process [Member]    
Statement [Line Items]    
Additions/ Transfers 147,000 445,000
Writendowns 0 (822,000)
Effect Of Movements In Exchange Rates 22,000 (11,000)
Beginning Balance 14,982,000 15,370,000
Ending balance 15,151,000 14,982,000
Accumulated Depletion And Depreciation, Beginning Balance 3,230,000 3,323,000
Accumulated Depletion And Depreciation, Additions / Transfers 84,000 339,000
Accumulated Depletion And Depreciation, Ending Balance 3,314,000 3,230,000
Accumulated Depletion And Depreciation, Writedowns 0 (432,000)
Net book value $ 11,837,000 $ 11,752,000