XML 13 R4.htm IDEA: XBRL DOCUMENT v3.23.3
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($)
shares in Thousands, $ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Costs, expenses and other:        
Exploration expense $ 918 $ 655 $ 1,748 $ 1,832
Depreciation 7 7 19 23
General and administrative 282 435 1,073 1,099
Total costs, expenses and other 1,207 1,097 2,840 2,954
Other (loss) income        
Interest and dividend income 35 29 88 97
Other income 0 20 0 20
Gain (loss) on derivative instruments 7 0 30 (4)
Realized loss on sale of marketable equity securities 0 0 0 (159)
Unrealized gain (loss) on short-term investments 14 (22) 49 (120)
Unrealized (loss) gain on marketable equity securities (141) 13 (39) (142)
Total other (loss) income (85) 40 128 (308)
Net loss $ (1,292) $ (1,057) $ (2,712) $ (3,262)
Loss income per common share:        
Basic and diluted $ (0.02) $ (0.02) $ (0.04) $ (0.05)
Weighted average shares outstanding:        
Basic and diluted 67,752 64,769 67,625 64,091