INVENTORIES (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Inventory [Line Items]
Inventory adjustment for lower of cost or market	$ 0	$ 791
Raw Materials	1,602		$ 1,354
Finished Goods	632		652
Processing Costs	592		404
Total (unaudited in 2014)	2,826		2,410
Ferrous materials [Member]
Inventory [Line Items]
Inventory adjustment for lower of cost or market		$ 800
Stainless steel, ferrous and non-ferrous materials [Member]
Inventory [Line Items]
Raw Materials	1,602		1,354
Finished Goods	626		649
Processing Costs	592		404
Total (unaudited in 2014)	2,820		2,407
Other [Member]
Inventory [Line Items]
Raw Materials	0		0
Finished Goods	6		3
Processing Costs	0		0
Total (unaudited in 2014)	$ 6		$ 3