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INVENTORIES (Tables)
 6 Months Ended
Jun. 30, 2019
Inventory Disclosure [Abstract]  
Schedule of Inventories for ferrous and non-ferrous materials

Inventories for ferrous and non-ferrous materials as of June 30, 2019 and December 31, 2018 consist of the following: 

 


 


 

 

 

 

 

June 30, 2019

  

 

(unaudited)

 

December 31, 2018

 

(in thousands)

Raw materials

$

2,913


 

$

4,485

 

Finished goods

1,451


 

1,284

 

Processing costs

894


 

1,165

 

Total inventories for sale

$

5,258


 

$

6,934