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Note 17 - Derivative Financial Instruments (Tables) | 12 Months Ended
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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)

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- Definition Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5618551-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 + Details
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- Definition Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959 + Details
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