XML 45 R14.htm IDEA: XBRL DOCUMENT v3.2.0.727
Inventories
 6 Months Ended
Jun. 30, 2015
Inventories  
Inventories

7.Inventories

 

Inventories are valued principally at the lower of cost, determined using the average cost method, or market.   Costs for raw materials and finished goods include materials, labor, and production overhead.   Inventories consisted of the following (in thousands):

 

 

 

June 30,
2015

 

December 31,
2014

 

Lime and limestone inventories:

 

 

 

 

 

Raw materials

 

$
6,144 

 

$
5,693 

 

Finished goods

 
1,966 

 
2,283 

 

 

 

 

 

 

 

 

 
8,110 

 
7,976 

 

Service parts inventories

 
5,527 

 
5,460 

 

 

 

 

 

 

 

 

 

$
13,637 

 

$
13,436