SEGMENT INFORMATION (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended			6 Months Ended
	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2013	Jun. 30, 2014 segments	Jun. 30, 2013
Segment Reporting Information [Line Items]
Number of reportable segments				2
Recycling revenues	$ 26,770		$ 38,225	$ 50,772	$ 71,496
Equipment sales, service and leasing revenues	544		532	1,100	1,074
Management fees	1,319		1,366	2,436	2,311
Cost of sales	(27,125)		(39,416)	(52,030)	(72,750)
Selling, general and administrative expenses	(1,928)	(1,928)	(2,076)	(3,137)	(3,935)
Loss before other income (expense)	(420)	(420)	(1,369)	(859)	(1,804)
Segment assets	44,112	44,032	61,236	44,112	61,236
Recycling [Member]
Segment Reporting Information [Line Items]
Recycling revenues	26,770		38,225	50,772	71,496
Equipment sales, service and leasing revenues	0		0	0	0
Management fees	0		0	0	0
Cost of sales	(25,754)		(37,964)	(49,522)	(70,271)
Selling, general and administrative expenses	(338)		(692)	(715)	(1,425)
Loss before other income (expense)	678		(431)	535	(200)
Segment assets	38,967		49,056	38,967	49,056
Waste Services [Member]
Segment Reporting Information [Line Items]
Recycling revenues	0		0	0	0
Equipment sales, service and leasing revenues	544		532	1,100	1,074
Management fees	1,319		1,366	2,436	2,311
Cost of sales	(1,371)		(1,452)	(2,508)	(2,479)
Selling, general and administrative expenses	(202)		(212)	(450)	(417)
Loss before other income (expense)	290		234	578	489
Segment assets	2,090		2,153	2,090	2,153
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
Selling, general and administrative expenses	(1,388)		(1,172)	(1,972)	(2,093)
Loss before other income (expense)	(1,388)		(1,172)	(1,972)	(2,093)
Segment assets	$ 3,055		$ 10,027	$ 3,055	$ 10,027