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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($)
shares in Thousands, $ in Thousands
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Operating expenses:    
Exploration expense $ 239 $ 354
Depreciation 7 7
General and administrative 490 472
Total operating expenses 736 833
Other income (loss):    
Interest and dividend income 46 95
Unrealized loss on derivative instruments (206) 0
Unrealized gain on marketable equity securities 385 8
Total other income 225 103
Net loss $ (511) $ (730)
Net loss per common share:    
Basic and diluted $ (0.01) $ (0.01)
Weighted average shares outstanding:    
Basic and diluted 81,687 79,624