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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2017
Income Tax Disclosure [Abstract]  
Schedule of Effective Income Tax

Income tax benefit using the Company’s effective income tax rate differs from the U.S. Federal Statutory income tax rate due to the following:

 

    2017     2016     2015  
                   
Income tax benefit at federal statutory rate   $ 472     $ 4,801     $ 31,585  
State income tax benefit, net of federal impact     38       292       1,440  
Change in Federal tax rate, net of state benefit (1)     (5,440 )                
Loss on debt to equity conversion     (1,630 )                
Effect of Sec. 382 Limitation     (29,803 )                
Incentive stock options and restricted stock not deductible for tax purposes     964       -       (269 )
Percentage depletion carryover     138       19       -  
Prior year true up     1,076       534       171  
Other     77                  
Decrease in valuation allowance     (34,109 )     (5,646 )     (32,927 )
                         
Income tax benefit (expense)   $ -     $ -     $ -  

 

  (1) The change in the Federal Tax rate was due to the passage of Public Law 115-97 (Tax Cuts and Jobs Act). This resulted in a provisional reduction of the Company’s deferred tax assets before valuation analysis primarily due to a reduction in the US Statutory rate from 35% to 21%. We will continue to analyze the Tax Cuts and Jobs Act and future associated Treasury Regulations. This future analysis could potentially affect the measurement of deferred tax balances and give rise to new deferred tax amounts.

Schedule of Deferred Tax Assets and Liabilities

The components of deferred tax assets and liabilities as of December 31, 2017 and 2016 are as follows:

 

    2017     2016  
             
Deferred tax assets:                
Net operating loss carryover (2)   $ 874     $ 26,739  
Property and equipment     7,123       14,575  
Percentage depletion and contribution carryovers (2)     1,872       2,512  
Alternative minimum tax credit carryover (2)     785       706  
Equity method investment and other     398       547  
Deferred compensation liability     8       12  
Asset retirement obligations     221       377  
Stock-based compensation     83       (44 )
                 
Total deferred tax assets     11,364       45,424  
                 
Deferred tax liabilities:                
Property and equipment     -       -  
Oil price risk derivatives     -       -  
Other     (3 )     (4 )
                 
Total deferred tax liabilities     (3 )     (4 )
                 
Net deferred tax assets     11,361       45,420  
Less valuation allowance     (11,361 )     (45,420 )
                 
Net deferred tax asset   $ -     $ -  

 

  (2) On December 27, 2017, the Company paid down debt with common stock. This represented a 49.3% ownership change in the company. This combined with other equity events triggered Net Operation Loss limitations under I.R.C Section 382. As a result, the Company’s Net Operating Loss carryforwards were significantly limited.