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Note 17 - Derivative Financial Instruments (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]
Derivatives not designated as
hedging instruments
Balance Sheet Location
December 31, 2012
December 31, 2013
       
Interest rate swap contracts
Current liabilities – Derivatives
1,718,438
697,889
       
Interest rate contracts
Long-term liabilities – Derivatives
  675,130
319,859
       
Total derivative liabilities
 
2,393,568
1,017,748
Derivative Instruments, Gain (Loss) [Table Text Block]
Derivatives not
designated as
hedging instruments
Location of gain
(loss) recognized
Year Ended
December 31, 2011
Year Ended
December 31, 2012
Year Ended
December 31, 2013
FFA contracts – Fair value
Change in fair value of derivatives
(574,336)
-
-
FFA contracts   - Realized loss
Change in fair value of derivatives
     910,088
     (2,247)
-
Interest rate – Fair value
Change in fair value of derivatives
(76,516)
1,057,928
1,375,820
Interest rate contracts   - Realized loss
Change in fair value of derivatives
     (1,758,158)
     (1,693,084)
(1,552,952)
Total loss on derivatives
 
(1,498,122)
(637,403)
(177,132)