XML 14 R4.htm IDEA: XBRL DOCUMENT v3.7.0.1
Condensed Consolidated Statements of Operations - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Costs, expenses and other:        
Exploration expense $ 188 $ 220 $ 339 $ 342
Depreciation and amortization 1 2 2 3
General and administrative 560 256 860 698
Property abandonment and impairment 10 10
Total costs, expenses and other 749 488 1,201 1,053
Other income (expense)        
Interest income 30 1 76 13
Gain on sale of marketable equity securities 30 221 30
Gain on derivative instruments 113 133 285 132
Loss on sale of other assets (14) (14)
Gain on warrant liability 1 4
Total other income (expense) 143 151 582 165
Loss before income tax (606) (337) (619) (888)
Income tax benefit 89 175 89 237
Net loss $ (517) $ (162) $ (530) $ (651)
Basic and diluted $ (0.01) $ 0.00 $ (0.01) $ (0.02)
Weighted average shares outstanding (thousands):        
Basic and diluted 38,655 38,988 38,678 39,166