SEGMENT INFORMATION (Details) (USD $)	3 Months Ended
Mar. 31, 2015 segments	Mar. 31, 2014	Dec. 31, 2014
Segment Reporting Information [Line Items]
Number of reportable segments	2us-gaap_NumberOfReportableSegments
Recycling revenues	$ 16,269,000us-gaap_RecyclingRevenue	$ 24,002,000us-gaap_RecyclingRevenue
Equipment sales, service and leasing revenues	574,000	556,000
Management fees	1,355,000us-gaap_SalesRevenueServicesGross	1,117,000us-gaap_SalesRevenueServicesGross
Cost of sales	(18,996,000)	(24,905,000)
Inventory adjustment for lower of cost or market	791,000us-gaap_InventoryWriteDown	0us-gaap_InventoryWriteDown
Impairment of Long-Lived Assets Held-for-use	(637,000)	0
Selling, general and administrative expenses	(1,148,000)	(1,210,000)
Income (loss) before other income (expense)	(3,374,000)us-gaap_OperatingIncomeLoss	(440,000)us-gaap_OperatingIncomeLoss
Segment assets	30,455,000us-gaap_Assets	39,905,000us-gaap_Assets	37,790,000us-gaap_Assets
Recycling [Member]
Segment Reporting Information [Line Items]
Recycling revenues	16,269,000	24,002,000
Equipment sales, service and leasing revenues	0	0
Management fees	0	0
Cost of sales	(17,573,000)	(23,769,000)
Inventory adjustment for lower of cost or market	791,000
Impairment of Long-Lived Assets Held-for-use	(637,000)
Selling, general and administrative expenses	(323,000)	(376,000)
Income (loss) before other income (expense)	(3,055,000)	(143,000)
Segment assets	25,647,000	34,504,000
Waste Services [Member]
Segment Reporting Information [Line Items]
Recycling revenues	0	0
Equipment sales, service and leasing revenues	574,000	556,000
Management fees	1,355,000	1,117,000
Cost of sales	(1,423,000)	(1,136,000)
Inventory adjustment for lower of cost or market	0
Impairment of Long-Lived Assets Held-for-use	0
Selling, general and administrative expenses	(202,000)	(249,000)
Income (loss) before other income (expense)	304,000	288,000
Segment assets	2,139,000	2,283,000
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 sales	0	0
Inventory adjustment for lower of cost or market	0
Impairment of Long-Lived Assets Held-for-use	0
Selling, general and administrative expenses	(623,000)	(585,000)
Income (loss) before other income (expense)	(623,000)	(585,000)
Segment assets	$ 2,669,000	$ 3,118,000

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