SEGMENT INFORMATION (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended			9 Months Ended
	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013	Sep. 30, 2014 segments	Sep. 30, 2013
Segment Reporting Information [Line Items]
Number of reportable segments				2
Recycling revenues	$ 32,700		$ 31,355	$ 83,472	$ 102,851
Equipment sales, service and leasing revenues	599		560	1,698	1,633
Management fees	1,357		1,396	3,793	3,708
Cost of sales	(33,057)		(32,677)	(85,087)	(105,427)
Inventory adjustment for lower of cost or market		0	1,900	0	1,900
Selling, general and administrative expenses	(1,274)		(1,721)	(4,410)	(5,656)
Income (loss) before other income (expense)	325		(2,987)	(534)	(4,791)
Segment assets	44,738	44,032	58,014	44,738	58,014
Recycling [Member]
Segment Reporting Information [Line Items]
Recycling revenues	32,700		31,355	83,472	102,851
Equipment sales, service and leasing revenues	0		0	0	0
Management fees	0		0	0	0
Cost of sales	(31,706)		(31,204)	(81,228)	(101,475)
Inventory adjustment for lower of cost or market			1,900		1,900
Selling, general and administrative expenses	(328)		(622)	(1,042)	(2,035)
Income (loss) before other income (expense)	666		(2,371)	1,202	(2,559)
Segment assets	39,553		45,035	39,553	45,035
Waste Services [Member]
Segment Reporting Information [Line Items]
Recycling revenues	0		0	0	0
Equipment sales, service and leasing revenues	599		560	1,698	1,633
Management fees	1,357		1,396	3,793	3,708
Cost of sales	(1,351)		(1,473)	(3,859)	(3,952)
Inventory adjustment for lower of cost or market			0		0
Selling, general and administrative expenses	(161)		(221)	(611)	(640)
Income (loss) before other income (expense)	444		262	1,021	749
Segment assets	2,285		2,326	2,285	2,326
All Other Segments [Member]
Segment Reporting Information [Line Items]
Recycling revenues	0		0	0	0
Equipment sales, service and leasing revenues	0		0	0	0
Management fees	0		0	0	0
Cost of sales	0		0	0	0
Inventory adjustment for lower of cost or market			0		0
Selling, general and administrative expenses	(785)		(878)	(2,757)	(2,981)
Income (loss) before other income (expense)	(785)		(878)	(2,757)	(2,981)
Segment assets	$ 2,900		$ 10,653	$ 2,900	$ 10,653