XML 61 R47.htm IDEA: XBRL DOCUMENT v3.3.1.900
Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Deferred tax assets:    
Loss carryovers $ 6,982 $ 11,168
Deferred gain 2,376
Stock option compensation expense $ 7 350
Royalty 1,482 $ 1,387
Unrealized loss on derivative securities $ 38
Earnings in Unconsolidated Subsidiary $ 865
Other $ 105 105
Valuation allowance (8,571) (12,431)
Total deferred tax assets $ 43 3,820
Deferred tax liabilities:    
Unrealized gain on derivative securities 238
MH-LLC investment 2,305
Exploration costs 845
Unrealized gains on marketable equity securities $ 41 152
Capitalized interest 277
Other $ 2 3
Total deferred tax liabilities $ 43 $ 3,820
Net deferred tax liabilities