Annual report pursuant to Section 13 and 15(d)

Note 1 - Significant Accounting Policies (Tables)

v3.20.4
Note 1 - Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2020
Notes Tables  
Schedules of Concentration of Risk, by Risk Factor [Table Text Block]
   

Year Ended December 31,

 
   

2020

   

2019

   

2018

 

Customer

                       

BP Products North America

    39 %     40 %     20 %
Mercuria Energy America Inc.     10 %     **       **  

Shell Trading (US) Co./ Shell Energy N.A.

    **       11 %     30 %

Vitol Inc.

    **       12 %     14 %
Williams Field Services     13 %     **       **  
Accounts Receivable, Allowance for Credit Loss [Table Text Block]
   

2020

   

2019

   

2018

 

Allowance for credit losses, beginning of period

  $ 9,898     $ 9,692     $ 9,114  

Additional provisions for the year

    417       206       1,233  

Uncollectible accounts written off or collected

    (1,192 )           (655 )

Allowance for credit losses, end of period

  $ 9,123     $ 9,898     $ 9,692  
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]
   

December 31,

 
   

2020

   

2019

 

Derivatives – current (1)

  $ 2,752     $ 7,266  

Unamortized bonds/insurance premiums

    4,717       4,357  

Prepaid deposits related to royalties

    4,473       7,980  

Prepayment to vendors

    1,429       10,202  

Other

    461       886  

Prepaid expenses and other assets

  $ 13,832     $ 30,691  
Property, Plant and Equipment [Table Text Block]
   

December 31,

 
   

2020

   

2019

 

Oil and natural gas properties and equipment

  $ 8,567,509     $ 8,532,196  

Furniture, fixtures and other

    20,847       20,317  

Total property and equipment

    8,588,356       8,552,513  

Less accumulated depreciation, depletion and amortization

    7,901,478       7,803,715  

Oil and natural gas properties and other, net

  $ 686,878     $ 748,798  
Schedule of Other Assets, Noncurrent [Table Text Block]
   

December 31,

 
   

2020

   

2019

 

ROU assets (Note 7)

  $ 11,509     $ 7,936  

Unamortized debt issuance costs

    2,094       3,798  

Investment in White Cap, LLC

    2,699       2,590  

Derivatives

    2,762       2,653  

Unamortized brokerage fee for Monza

    626       3,423  

Proportional consolidation of Monza's other assets (Note 4)

    1,782       5,308  

Appeal bond deposits

          6,925  

Other

    998       814  

Total other assets

  $ 22,470     $ 33,447  
Schedule of Accrued Liabilities [Table Text Block]
   

December 31,

 
   

2020

   

2019

 

Accrued interest

  $ 10,389     $ 10,180  

Accrued salaries/payroll taxes/benefits

    4,009       2,377  

Incentive compensation plans

          9,794  

Litigation accruals

    436       3,673  

Lease liability (Note 7)

    394       2,716  

Derivatives

    13,620       1,785  

Other

    1,032       371  

Total accrued liabilities

  $ 29,880     $ 30,896  
Other Noncurrent Liabilities [Table Text Block]
   

December 31,

 
   

2020

   

2019

 

Dispute related to royalty deductions

  $ 5,467     $ 4,687  

Dispute related to royalty-in-kind

          250  

Lease liability (Note 7)

    11,360       4,419  
Derivatives     4,384        
Black Elk escrow     11,103        

Other

    624       632  

Total other liabilities (long-term)

  $ 32,938     $ 9,988