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Additional Balance Sheet Information
6 Months Ended
Jun. 30, 2021
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,
2021
    
December 31,
2020
 
Accounts Receivable:
                 
Joint interest billing
   $ 2,038      $ 2,475  
Trade receivables
     1,267        1,073  
Oil and gas sales
     7,292        3,469  
Other
     244        802  
    
 
 
    
 
 
 
       10,841        7,819  
Less: Allowance for doubtful accounts
     (598      (598
    
 
 
    
 
 
 
Total
   $ 10,243      $ 7,221  
    
 
 
    
 
 
 
Accounts Payable:
                 
Trade
   $ 1,234      $ 876  
Royalty and other owners
     7,118        3,569  
Partner advances
     192        193  
Other
     —          579  
    
 
 
    
 
 
 
Total
   $ 8,544      $ 5,217  
    
 
 
    
 
 
 
Accrued Liabilities:
                 
Compensation and related expenses
   $ 3,371      $ 3,331  
Property costs
     910        2,056  
Taxes
     1,016        1,016  
Other
     —          384  
    
 
 
    
 
 
 
Total
   $ 5,297      $ 6,787