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INCOME TAXES (Details 1) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Deferred tax assets:    
Net operating loss carryover $ 19,947 $ 10,382
Property and equipment 15,645
Percentage depletion and contribution carryovers 2,433 $ 2,444
Alternative minimum tax credit carryover 706 706
Equity method investment and other 630 629
Deferred compensation liability 262 439
Asset retirement obligations 442 404
Stock-based compensation 302 248
Total deferred tax assets $ 40,367 15,252
Deferred tax liabilities:    
Property and equipment $ (8,351)
Oil price risk derivatives $ (538)
Other (4) $ (3)
Total deferred tax liabilities (542) (8,354)
Net deferred tax assets 39,825 6,898
Less valuation allowance $ (39,825) $ (6,898)
Net deferred tax asset