SEGMENT INFORMATION (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Sep. 30, 2015 USD ($) segments	Sep. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segments			2
Recycling revenues	$ 9,587	$ 32,700	$ 39,629	$ 83,472
Equipment sales, service and leasing revenues	563	599	1,777	1,698
Management fees	1,400	1,357	4,188	3,793
Cost of sales	(11,310)	(33,057)	(45,890)	(85,087)
Inventory adjustment for lower of cost or market	319	0	1,110	0
Impairment loss, property and equipment	0	0	(637)	0
Selling, general and administrative expenses	(1,032)	(1,274)	(3,409)	(4,410)
Income (loss) before other income (expense)	(1,111)	325	(5,452)	(534)
Segment assets	24,799	44,738	24,799	44,738	$ 37,790
Recycling [Member]
Segment Reporting Information [Line Items]
Recycling revenues	9,587	32,700	39,629	83,472
Equipment sales, service and leasing revenues	0	0	0	0
Management fees	0	0	0	0
Cost of sales	(9,887)	(31,706)	(41,459)	(81,228)
Inventory adjustment for lower of cost or market	319		1,110
Impairment loss, property and equipment			(637)
Selling, general and administrative expenses	(220)	(328)	(801)	(1,042)
Income (loss) before other income (expense)	(839)	666	(4,378)	1,202
Segment assets	20,122	39,553	20,122	39,553
Waste Services [Member]
Segment Reporting Information [Line Items]
Recycling revenues	0	0	0	0
Equipment sales, service and leasing revenues	563	599	1,777	1,698
Management fees	1,400	1,357	4,188	3,793
Cost of sales	(1,423)	(1,351)	(4,431)	(3,859)
Inventory adjustment for lower of cost or market	0		0
Impairment loss, property and equipment			0
Selling, general and administrative expenses	(170)	(161)	(532)	(611)
Income (loss) before other income (expense)	370	444	1,002	1,021
Segment assets	2,118	2,285	2,118	2,285
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
Impairment loss, property and equipment			0
Selling, general and administrative expenses	(642)	(785)	(2,076)	(2,757)
Income (loss) before other income (expense)	(642)	(785)	(2,076)	(2,757)
Segment assets	$ 2,559	$ 2,900	$ 2,559	$ 2,900