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Fair Value Measurements (Tables)
6 Months Ended
Jun. 30, 2015
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 June 30, 2015 and December 31, 2014:
 
         
  
(In thousands)
 
    
Fair Value Measurements at June 30, 2015 Using
 
         
Description
 
June 30, 2015
  
(Level 1)
  
(Level 2)
  
(Level 3)
 
         
Available for sale securities
 
$
30
  
$
30
  
$
--
  
$
--
 
                 
Total assets
 
$
30
  
$
30
  
$
--
  
$
--
 
                 
Commodity risk management liability
 
$
335
  
$
--
  
$
335
  
$
--
 
Executive retirement program liability
  
1,190
  
$
--
  
$
--
  
$
1,190
 
                 
Total liabilities
 
$
1,525
  
$
--
  
$
335
  
$
1,190
 
                 
      
Fair Value Measurements at December 31, 2014 Using
 
               
Description
  
December 31, 2014
  
(Level 1)
  
(Level 2)
  
(Level 3)
 
                 
Available for sale securities
 
$
25
  
$
25
  
$
--
  
$
--
 
                 
Total assets
 
$
25
  
$
25
  
$
--
  
$
--
 
                 
Executive retirement program liability
 
$
1,309
  
$
--
  
$
--
  
$
1,309
 
                 
Total liabilities
 
$
1,309
  
$
--
  
$
--
  
$
1,309