INVENTORIES (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
Inventory [Line Items]
Replacement parts, depreciation	1 year
Raw Materials	$ 4,621	$ 6,406
Finished Goods	1,402	1,776
Processing Costs	667	600
Total (unaudited in 2014)	6,690	8,782
Stainless steel, ferrous and non-ferrous materials [Member]
Inventory [Line Items]
Raw Materials	3,290	4,856
Finished Goods	1,306	1,697
Processing Costs	667	600
Total (unaudited in 2014)	5,263	7,153
Waste equipment machinery [Member]
Inventory [Line Items]
Raw Materials	0	0
Finished Goods	74	49
Processing Costs	0	0
Total (unaudited in 2014)	74	49
Other [Member]
Inventory [Line Items]
Raw Materials	0	0
Finished Goods	22	30
Processing Costs	0	0
Total (unaudited in 2014)	22	30
Total inventories for sale [Member]
Inventory [Line Items]
Raw Materials	3,290	4,856
Finished Goods	1,402	1,776
Processing Costs	667	600
Total (unaudited in 2014)	5,359	7,232
Replacement parts [Member]
Inventory [Line Items]
Raw Materials	1,331	1,550
Finished Goods	0	0
Processing Costs	0	0
Total (unaudited in 2014)	$ 1,331	$ 1,550