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Inventory
3 Months Ended
Mar. 31, 2015
Inventory [Abstract]  
Inventory

NOTE 4 - INVENTORY

Our inventory consists of three major classes: spare parts, fuel, and warehouse inventory.  Spare parts and warehouse inventories are stated at the lower of cost or market based on the first-in, first-out method of accounting. Our fuel inventory is based on the average cost method of accounting.  We have broken down the inventory balances as of March 31, 2015 and December 31, 2014 by major class in the following table:

 

 

 

 

 

 

 

 

 

 

 

 

 

(All Amounts in Thousands)

 

March 31,

 

 

December 31,

Inventory Classes

 

2015

 

 

2014

Spare Parts Inventory

$

3,296 

 

$

3,253 

Fuel Inventory

 

2,320 

 

 

3,967 

Warehouse Inventory

 

2,518 

 

 

2,540 

Total

$

8,134 

 

$

9,760