INCOME TAXES (Deferred Tax Liabilities and Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Deferred Tax Liabilities [Abstract]
Property and equipment	$ (1,459)	$ (2,131)
Gross deferred tax liabilities	(1,459)	(2,131)
Deferred tax assets
Intangibles and goodwill	2,286	2,535
Accrued property taxes	13	13
Allowance for doubtful accounts	14	41
Inventory capitalization	63	83
Stock options	1,147	1,084
Federal net operating loss carry forward	4,176	3,920
State net operating loss carry forward	1,758	1,659
State recycling equipment tax credit carry forward	4,598	4,604
Interest rate swap	0	4
Inventory valuation reserve	78	0
Accrued expenses	77	223
Other	11	11
Gross deferred tax assets	14,221	14,177
Valuation allowance	(12,665)	(11,949)	$ (8,914)
Net deferred tax assets	$ 97	$ 97