Annual report pursuant to section 13 and 15(d)

INCOME TAXES (Details)

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INCOME TAXES (Details) (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Components of current and deferred federal and state income tax for continuing operations [Abstract]      
Federal income tax expense - current $ (2,107,000) $ 2,043,000 $ 112,000
Federal income tax (benefit) expense - deferred 11,000 1,938,000 218,000
State income tax expense (benefit) - current 191,000 92,000 (85,000)
State income tax (benefit) expense - deferred (246,000) 5,000 (10,000)
Total income tax expense (benefit) (2,151,000) 4,078,000 235,000
Deferred tax assets [Abstract]      
Net operating losses 4,612,000 4,425,000  
Environmental and closure reserves 4,740,000 5,047,000  
Impairment of assets 505,000 505,000  
Investment (59,000) 197,000  
Other 3,798,000 4,513,000  
Deferred tax liabilities [Abstract]      
Depreciation and amortization (7,875,000) (8,936,000)  
Prepaid expenses (16,000) (46,000)  
Net deferred income tax assets before valuation allowance 5,705,000 5,705,000  
Valuation allowance (5,729,000) (6,428,000)  
Net deferred income tax liabilities (24,000) (723,000)  
Federal statutory rate (in hundredths) 34.00%    
Reconciliation between expected tax benefit and the provision for income taxes from continuing operations [Abstract]      
Tax (benefit) expense at statutory rate (1,847,000) 3,557,000 1,740,000
State tax (benefit) expense, net of federal benefit (131,000) 53,000 (56,000)
Previously unrecorded state tax benefit 0 0 (173,000)
Permanent items 110,000 150,000 61,000
Other (100,000) 355,000 (1,325,000)
(Decrease) increase in valuation allowance (183,000) (37,000) (12,000)
Income tax (benefit) expense (2,151,000) 4,078,000 235,000
Deferred tax assets more likely would not be realized in the future 5,729,000 6,428,000 6,024,000
Increase (decrease) in valuation allowance (183,000) (37,000) (12,000)
Federal [Member]
     
Operating Loss Carryforwards [Line Items]      
Estimated net operating loss carryforwards   6,091,000  
State [Member]
     
Operating Loss Carryforwards [Line Items]      
Estimated net operating loss carryforwards   $ 46,205,000