INVENTORIES (Tables)

6 Months Ended

Jun. 30, 2017

Inventory Disclosure [Abstract]

Schedule of Inventories for ferrous and non-ferrous materials

Inventories for ferrous and non-ferrous materials as of June 30, 2017 and December 31, 2016 consist of the following: 

	June 30, 2017
	(unaudited)		December 31, 2016
	(in thousands)
Raw materials	$	3,019	$	2,222
Finished goods	559		805
Processing costs	553		410
Total inventories for sale	$	4,131	$	3,437