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Fair Value Measurements (Tables)
3 Months Ended
Mar. 31, 2014
Fair Value Measurements [Abstract]  
Fair value measurements
The following tables list the Company’s assets and liabilities that are measured at fair value and their classification within the fair value hierarchy as of March 31, 2014 and December 31, 2013:

              
   
(In thousands)
 
      
Fair Value Measurements at March 31, 2014 Using
 
   
March 31,
          
Description
 
2014
  
(Level 1)
  
(Level 2)
  
(Level 3)
 
              
Available for sale securities
 $45  $45   --   -- 
                  
Total assets
 $45  $45  $--  $-- 
                  
Commodity risk management liability
 $439  $--  $439  $-- 
Other accrued liabilities 1
  718   --   --   718 
                  
Total liabilities
 $1,157  $--  $439  $718 

              
   
(In thousands)
 
      
Fair Value Measurements at December 31, 2013 Using
 
   
December 31,
          
Description
 
2013
  
(Level 1)
  
(Level 2)
  
(Level 3)
 
              
Commodity risk management assets
 $14  $--  $14  $-- 
Available for sale securities
  69   69   --   -- 
                  
Total assets
 $83  $69  $14  $-- 
                  
Commodity risk management liability
 $280  $--  $280  $-- 
Other accrued liabilities 1
  741   --   --   741 
                  
Total liabilities
 $1,021  $--  $280  $741 

1 Other accrued liabilities represents the Company’s estimated liability for its executive retirement program.