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Additional Balance Sheet Information
6 Months Ended
Jun. 30, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Additional Balance Sheet Information

3) Additional Balance Sheet Information:

Certain balance sheet amounts are comprised of the following:

 

(Thousands of dollars)    June 30,
2018
     December 31,
2017
 

Accounts Receivable:

     

Joint interest billing

   $ 2,949      $ 3,173  

Trade receivables

     1,957        941  

Oil and gas sales

     8,618        12,941  

Other

     361        4  
  

 

 

    

 

 

 
     13,885        17,059  

Less: Allowance for doubtful accounts

     (98      (98
  

 

 

    

 

 

 

Total

   $ 13,787      $ 16,961  
  

 

 

    

 

 

 

Accounts Payable:

     

Trade

   $ 3,014      $ 14,317  

Royalty and other owners

     6,441        7,073  

Partner advances

     1,161        1,268  

Prepaid drilling deposits

     103        67  

Other

     1,854        1,890  
  

 

 

    

 

 

 

Total

   $ 12,573      $ 24,615  
  

 

 

    

 

 

 

Accrued Liabilities:

     

Compensation and related expenses

   $ 2,165      $ 2,449  

Property costs

     6,605        9,141  

Income Tax

     —          4,180  

Other

     404        524  
  

 

 

    

 

 

 

Total

   $ 9,174      $ 16,294