INVENTORIES (Details) (USD $)	6 Months Ended
	Jun. 30, 2012	Dec. 31, 2011
Inventory [Line Items]
Replacement parts, depreciation	1 year
Raw Materials	$ 24,927,000	$ 16,256,000
Finished Goods	1,353,000	1,511,000
Processing Costs	1,275,000	777,000
Total	27,555,000	18,544,000
Stainless steel, ferrous and non-ferrous materials [Member]
Inventory [Line Items]
Raw Materials	23,260,000	14,633,000
Finished Goods	1,199,000	1,409,000
Processing Costs	1,275,000	777,000
Total	25,734,000	16,819,000
Waste equipment machinery [Member]
Inventory [Line Items]
Raw Materials	0	0
Finished Goods	85,000	39,000
Processing Costs	0	0
Total	85,000	39,000
Other [Member]
Inventory [Line Items]
Raw Materials	0	0
Finished Goods	69,000	63,000
Processing Costs	0	0
Total	69,000	63,000
Total inventories for sale [Member]
Inventory [Line Items]
Raw Materials	23,260,000	14,633,000
Finished Goods	1,353,000	1,511,000
Processing Costs	1,275,000	777,000
Total	25,888,000	16,921,000
Replacement parts [Member]
Inventory [Line Items]
Raw Materials	1,667,000	1,623,000
Finished Goods	0	0
Processing Costs	0	0
Total	1,667,000	1,623,000
Inventory Valuation and Obsolescence [Member]
Inventory [Line Items]
Increase in cost of goods sold	$ 352,100