Note 21 - Fair Value Disclosures (Tables)
12 Months Ended
Dec. 31, 2013
Fair Value Disclosures [Abstract]  
Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block]
   

Years Ended December 31,

 
   

2013

   

2012

 

Long-term Debt (Level 2):

               
                 

Carrying Value

  $ 24,242     $ 27,300  
                 

Estimated Fair Value

  $ 25,285     $ 29,940  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
   

December 31, 2013

 
   

Fair Value Measurements Using

      Assets  
   

Level 1

   

Level 2

   

Level 3

      (Liabilities) at
Fair Value 
 

Assets (Liabilities) (in thousands)

                               
                                 

Energy swap

  $ —     $ 275     $ —     $ 275  
                                 

Total Assets (Liabilities)

  $ —     $ 275     $ —     $ 275  
   

December 31, 2012

 
   

Fair Value Measurements Using

   

 

Assets  
   

Level 1

   

Level 2

   

Level 3

      (Liabilities) at
Fair Value 
 

Assets (Liabilities) (in thousands)

                               
                                 

Energy swap

  $ —     $ 134     $ —     $ 134  
                                 

Total Assets (Liabilities)

  $ —     $ 134     $ —     $ 134  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
   

Fair Value Measurements Using Significant
Unobservable Inputs (Level 3 Inputs)

Year Ended

December 31,

 
   

2013

   

2012

 

Beginning Balance

  $ —     $ (103 )

Net Loss reclassified into interest expense related to interest rate swap transactions unrealized

    —       —  

Net change associated with current period interest rate swap transactions realized

    —       103  

Ending Balance

  $ —     $ —