INVENTORIES (Tables)

3 Months Ended

Mar. 31, 2017

Inventory Disclosure [Abstract]

Schedule of Inventories for ferrous and non-ferrous materials

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

	March 31, 2017
	(unaudited)		December 31, 2016
	(in thousands)
Raw materials	$	2,730	$	2,222
Finished goods	633		805
Processing costs	500		410
Total inventories for sale	$	3,863	$	3,437