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Note 7 - Business Segment Information (Details) (USD $)
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Note 7 - Business Segment Information (Details) [Line Items]      
Deferred Revenue, Current $ 2,559,000   $ 2,265,000
Increase (Decrease) in Operating Assets 2,600,000    
Revenues 9,983,000 14,669,000  
Waste Management Services [Member]
     
Note 7 - Business Segment Information (Details) [Line Items]      
Increase (Decrease) in Operating Assets 600,000    
Revenues 7,830,000 12,563,000  
Waste Brokerage and Management Services [Member]
     
Note 7 - Business Segment Information (Details) [Line Items]      
Revenues $ 7,300,000 $ 9,500,000  
Customer Concentration Risk [Member] | Accounts Receivable [Member]
     
Note 7 - Business Segment Information (Details) [Line Items]      
Concentration Risk, Percentage 16.30%    
Customer Concentration Risk [Member] | Consolidated Net Operating Revenues [Member]
     
Note 7 - Business Segment Information (Details) [Line Items]      
Concentration Risk, Percentage   19.00%  
Customer Concentration Risk [Member] | Waste Management Services Segments Net Operating Revenues [Member]
     
Note 7 - Business Segment Information (Details) [Line Items]      
Concentration Risk, Percentage   22.00%