MINERAL PROPERTIES - Schedule of exploration expenditures recorded on the statement of loss and comprehensive loss (Details) - USD ($) $ in Thousands |
3 Months Ended |
6 Months Ended |
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
$ 987
|
$ 2,389
|
$ 2,150
|
$ 5,049
|
Property maintenance [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
13
|
275
|
67
|
469
|
Assay & Labs [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
21
|
148
|
30
|
242
|
Drilling [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
|
1,233
|
119
|
3,010
|
Environmental [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
88
|
278
|
239
|
500
|
Geophysical surveys [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
1
|
31
|
11
|
74
|
Technical study [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
840
|
420
|
1,640
|
705
|
Field support [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
24
|
4
|
44
|
49
|
Nuton LLC [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
(963)
|
(2,343)
|
(2,051)
|
(4,930)
|
Lion CG [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
24
|
46
|
99
|
119
|
Singatse Peak Services [Member] | MacArthur [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
27
|
108
|
60
|
519
|
Singatse Peak Services [Member] | MacArthur [Member] | Property maintenance [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
6
|
4
|
6
|
4
|
Singatse Peak Services [Member] | MacArthur [Member] | Assay & Labs [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
69
|
0
|
109
|
Singatse Peak Services [Member] | MacArthur [Member] | Drilling [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
|
16
|
0
|
366
|
Singatse Peak Services [Member] | MacArthur [Member] | Environmental [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
19
|
1
|
40
|
Singatse Peak Services [Member] | MacArthur [Member] | Geophysical surveys [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
0
|
0
|
0
|
Singatse Peak Services [Member] | MacArthur [Member] | Technical study [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
21
|
0
|
53
|
0
|
Singatse Peak Services [Member] | MacArthur [Member] | Field support [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
0
|
0
|
0
|
Singatse Peak Services [Member] | MacArthur [Member] | Nuton LLC [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
(27)
|
(108)
|
(60)
|
(519)
|
Singatse Peak Services [Member] | MacArthur [Member] | Lion CG [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
0
|
0
|
0
|
Singatse Peak Services [Member] | Yerington [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
912
|
1,624
|
1,961
|
2,884
|
Singatse Peak Services [Member] | Yerington [Member] | Property maintenance [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
248
|
0
|
405
|
Singatse Peak Services [Member] | Yerington [Member] | Assay & Labs [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
1
|
36
|
10
|
89
|
Singatse Peak Services [Member] | Yerington [Member] | Drilling [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
|
655
|
119
|
1,179
|
Singatse Peak Services [Member] | Yerington [Member] | Environmental [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
88
|
259
|
238
|
460
|
Singatse Peak Services [Member] | Yerington [Member] | Geophysical surveys [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
5
|
0
|
45
|
Singatse Peak Services [Member] | Yerington [Member] | Technical study [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
817
|
420
|
1,580
|
705
|
Singatse Peak Services [Member] | Yerington [Member] | Field support [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
6
|
1
|
14
|
1
|
Singatse Peak Services [Member] | Yerington [Member] | Nuton LLC [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
(912)
|
(1,624)
|
(1,961)
|
(2,884)
|
Singatse Peak Services [Member] | Yerington [Member] | Lion CG [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
0
|
0
|
0
|
Singatse Peak Services [Member] | Bear Deposit [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
24
|
611
|
29
|
1,527
|
Singatse Peak Services [Member] | Bear Deposit [Member] | Property maintenance [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
0
|
0
|
0
|
Singatse Peak Services [Member] | Bear Deposit [Member] | Assay & Labs [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
20
|
43
|
20
|
44
|
Singatse Peak Services [Member] | Bear Deposit [Member] | Drilling [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
|
562
|
0
|
1,465
|
Singatse Peak Services [Member] | Bear Deposit [Member] | Environmental [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
0
|
0
|
0
|
Singatse Peak Services [Member] | Bear Deposit [Member] | Geophysical surveys [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
(1)
|
0
|
0
|
Singatse Peak Services [Member] | Bear Deposit [Member] | Technical study [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
2
|
0
|
7
|
0
|
Singatse Peak Services [Member] | Bear Deposit [Member] | Field support [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
2
|
7
|
2
|
18
|
Singatse Peak Services [Member] | Bear Deposit [Member] | Nuton LLC [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
(24)
|
(611)
|
(29)
|
(1,527)
|
Singatse Peak Services [Member] | Bear Deposit [Member] | Lion CG [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
0
|
0
|
0
|
Singatse Peak Services [Member] | Wassuk [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
0
|
1
|
0
|
Singatse Peak Services [Member] | Wassuk [Member] | Property maintenance [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
0
|
1
|
0
|
Singatse Peak Services [Member] | Wassuk [Member] | Assay & Labs [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
0
|
0
|
0
|
Singatse Peak Services [Member] | Wassuk [Member] | Drilling [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
|
0
|
0
|
0
|
Singatse Peak Services [Member] | Wassuk [Member] | Environmental [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
0
|
0
|
0
|
Singatse Peak Services [Member] | Wassuk [Member] | Geophysical surveys [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
0
|
0
|
0
|
Singatse Peak Services [Member] | Wassuk [Member] | Technical study [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
0
|
0
|
0
|
Singatse Peak Services [Member] | Wassuk [Member] | Field support [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
0
|
0
|
0
|
Singatse Peak Services [Member] | Wassuk [Member] | Nuton LLC [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
0
|
(1)
|
0
|
Singatse Peak Services [Member] | Wassuk [Member] | Lion CG [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
0
|
0
|
0
|
Falcon Copper Corp [Member] | Blue Copper [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
23
|
32
|
66
|
88
|
Falcon Copper Corp [Member] | Blue Copper [Member] | Property maintenance [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
7
|
23
|
38
|
60
|
Falcon Copper Corp [Member] | Blue Copper [Member] | Assay & Labs [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
0
|
0
|
0
|
Falcon Copper Corp [Member] | Blue Copper [Member] | Drilling [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
|
0
|
0
|
0
|
Falcon Copper Corp [Member] | Blue Copper [Member] | Environmental [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
0
|
0
|
0
|
Falcon Copper Corp [Member] | Blue Copper [Member] | Geophysical surveys [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
0
|
0
|
0
|
Falcon Copper Corp [Member] | Blue Copper [Member] | Technical study [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
0
|
0
|
0
|
Falcon Copper Corp [Member] | Blue Copper [Member] | Field support [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
16
|
9
|
28
|
28
|
Falcon Copper Corp [Member] | Blue Copper [Member] | Nuton LLC [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
0
|
0
|
0
|
Falcon Copper Corp [Member] | Blue Copper [Member] | Lion CG [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
23
|
32
|
66
|
88
|
Falcon Copper Corp [Member] | Muncy [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
1
|
27
|
11
|
29
|
Falcon Copper Corp [Member] | Muncy [Member] | Property maintenance [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
0
|
0
|
0
|
Falcon Copper Corp [Member] | Muncy [Member] | Assay & Labs [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
0
|
0
|
0
|
Falcon Copper Corp [Member] | Muncy [Member] | Drilling [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
|
0
|
0
|
0
|
Falcon Copper Corp [Member] | Muncy [Member] | Environmental [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
0
|
0
|
0
|
Falcon Copper Corp [Member] | Muncy [Member] | Geophysical surveys [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
1
|
27
|
11
|
29
|
Falcon Copper Corp [Member] | Muncy [Member] | Technical study [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
0
|
0
|
0
|
Falcon Copper Corp [Member] | Muncy [Member] | Field support [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
0
|
0
|
0
|
Falcon Copper Corp [Member] | Muncy [Member] | Nuton LLC [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
0
|
0
|
0
|
Falcon Copper Corp [Member] | Muncy [Member] | Lion CG [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
1
|
27
|
11
|
29
|
Falcon Copper Corp [Member] | Other [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
(13)
|
22
|
2
|
Falcon Copper Corp [Member] | Other [Member] | Property maintenance [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
0
|
22
|
0
|
Falcon Copper Corp [Member] | Other [Member] | Assay & Labs [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
0
|
0
|
0
|
Falcon Copper Corp [Member] | Other [Member] | Drilling [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
|
0
|
0
|
0
|
Falcon Copper Corp [Member] | Other [Member] | Environmental [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
0
|
0
|
0
|
Falcon Copper Corp [Member] | Other [Member] | Geophysical surveys [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
0
|
0
|
0
|
Falcon Copper Corp [Member] | Other [Member] | Technical study [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
0
|
0
|
0
|
Falcon Copper Corp [Member] | Other [Member] | Field support [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
(13)
|
0
|
2
|
Falcon Copper Corp [Member] | Other [Member] | Nuton LLC [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
0
|
0
|
0
|
0
|
Falcon Copper Corp [Member] | Other [Member] | Lion CG [Member] |
|
|
|
|
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Line Items] |
|
|
|
|
Exploration and evaluation |
$ 0
|
$ (13)
|
$ 22
|
$ 2
|