Note 13 - Derivative Financial Instrument - Interest Rate Swap (Tables)
12 Months Ended
Dec. 31, 2013
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]

Instruments

Balance Sheets Location

 

Assets

   

Liabilities

 

Interest rate swap

Current liabilities

  $ -     $ 194,196  

Interest rate swap

Long-term liabilities

    -       265,804  

Instruments

Balance Sheets Location

 

Assets

   

Liabilities

 

Interest rate swap

Current liabilities

  $ -     $ 225,109  

Interest rate swap

Long-term liabilities

    -       898,400  
Derivative Instruments, Gain (Loss) [Table Text Block]
      Year ended December 31,  

Instrument

Statement of operations location

 

2013

   

2012

 

Interest rate swap

Other income (expense)

  $ 663,509     $ (111,010 )