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Note 16 - Derivative Financial Instruments (Details) (USD $)
 12 Months Ended 12 Months Ended
Dec. 31, 2012
Mar. 31, 2014
Dec. 31, 2013
Oct. 16, 2013
Mar. 31, 2013
Mar. 31, 2014
Swap [Member]
Dec. 31, 2013
Swap [Member]
Aug. 25, 2012
Sovereign [Member]
Dec. 31, 2012
Written Down [Member]
Dec. 31, 2012
Reclassified [Member]
Dec. 31, 2012
Fair Value, Inputs, Level 3 [Member]
Note 16 - Derivative Financial Instruments (Details) [Line Items]                      
Derivative, Notional Amount   $ 20,000,000 $ 20,000,000   $ 20,000,000            
Restricted Cash and Cash Equivalents, Noncurrent 5,537,000 1,576,000 1,739,000     1,576,000          
Interest Rate Derivatives, at Fair Value, Net 5,811,000                    
Derivative, Number of Instruments Matured     2                
Derivatives, Number of Instruments Transferred       2              
Derivative Asset, Fair Value of Collateral             1,739,000        
Assets Held-for-sale, Property, Plant and Equipment 42,178,000                    
Assets Held-for-sale, Long Lived, Fair Value Disclosure 25,200,000               25,200,000    
Impairment of Long-Lived Assets to be Disposed of 16,978,000                    
Long-Lived Assets Held and Used Carrying Value 211,384,000                 10,414,000  
Long-Lived Assets Held and Used Fair Value 164,792,000                 12,500,000  
Impairment of Long-Lived Assets Held-for-use 46,592,000                    
Percentage of Total Value Derived From Level 3 Inputs                     18.70%
Long-Lived Assets Held And Used Revaluation Gain 2,086,000                    
Sovereign Option Outstanding               $ 3,000,000