SEGMENT INFORMATION (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013 segments	Mar. 31, 2012	Dec. 31, 2012
Segment Reporting Information [Line Items]
Number of reportable segments	2
Recycling revenues	$ 33,271	$ 59,883
Equipment sales, service and leasing revenues	541	510
Management fees	946	1,285
Cost of goods and services sold	32,718	58,175
Selling, general and administrative expenses	(2,448)	(2,971)
(Loss) income before other income (expense)	(408)	532
Segment assets	64,399	84,225	63,323
Recycling [Member]
Segment Reporting Information [Line Items]
Recycling revenues	33,271	59,883
Equipment sales, service and leasing revenues	0	0
Management fees	0	0
Cost of goods and services sold	31,690	56,819
Selling, general and administrative expenses	(1,322)	(1,540)
(Loss) income before other income (expense)	259	1,524
Segment assets	52,788	72,011
Waste Services [Member]
Segment Reporting Information [Line Items]
Recycling revenues	0	0
Equipment sales, service and leasing revenues	541	510
Management fees	946	1,285
Cost of goods and services sold	1,028	1,356
Selling, general and administrative expenses	(205)	(182)
(Loss) income before other income (expense)	254	257
Segment assets	1,990	1,961
All Other Segments [Member]
Segment Reporting Information [Line Items]
Recycling revenues	0	0
Equipment sales, service and leasing revenues	0	0
Management fees	0	0
Cost of goods and services sold	0	0
Selling, general and administrative expenses	(921)	(1,249)
(Loss) income before other income (expense)	(921)	(1,249)
Segment assets	$ 9,621	$ 10,253