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Inventory
9 Months Ended
Sep. 30, 2013
Inventory [Abstract]  
Inventory

 

Note 10.  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. Fuel inventory is based on the average inventory method of accounting. As of September 30, 2013 and December 31, 2012, our inventory balances were approximately $11.3 million and $11.8 million, respectively. Our inventory consists of three major classes, the break out of which is included in the following table:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(All amounts in thousands)

 

 

September 30,

 

 

December 31,

Inventory Classes

 

 

2013

 

 

2012

Spare Parts Inventory

 

$

4,481 

 

$

3,652 

Fuel Inventory

 

 

4,380 

 

 

4,633 

Warehouse Inventory

 

 

2,428 

 

 

3,562 

 

 

$

11,289 

 

$

11,847