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Inventories, Net (Tables)
 3 Months Ended
Mar. 31, 2018
Inventories, Net  
Schedule of inventories, net

Inventories, net consisted of the following (in thousands):

 

 

 

 

 

 

 

 

 

 

 

March 31,

 

December 31,

 

 

 

2018

 

2017

 

Lime and limestone inventories:

    

 

    

    

 

    

 

Raw materials

 

$

4,628

 

$

5,105

 

Finished goods

 

 

1,851

 

 

2,266

 

 

 

 

6,479

 

 

7,371

 

Service parts inventories

 

 

6,120

 

 

6,175

 

 

 

$

12,599

 

$

13,546