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Note 14 - Derivative Financial Instruments (Details Textual) | 1 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2017 USD ($) | Dec. 31, 2018 USD ($) | Nov. 28, 2017 | Nov. 28, 2016 | Oct. 17, 2014 USD ($)
Interest Rate Swap [Member] |  |  |  |  |
Derivative, Number of Instruments Held, Total |  | 1 |  |  |
Derivative, Notional Amount |  | $ 10,000,000 |  |  |
Interest Rate Swap [Member] | Eurobank [Member] |  |  |  |  |
Derivative, Number of Instruments Held, Total |  |  |  |  | 1
Derivative, Notional Amount |  |  |  |  | $ 10,000,000
Derivative, Average Fixed Interest Rate |  |  |  |  | 1.97%
Derivative, Fixed Interest Rate |  |  | 3.55% | 0.95% | 0.50%
Freight Forward Agreements [Member] |  |  |  |  |
Derivative, Number of Instruments Held, Total | 3 |  |  |  |
Charter Equivalent Rate Per Day | $ 11,000 |  |  |  |

X
- Definition Amount per day due for time charter. + References No definition available. + Details
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X
- Definition Average fixed interest rate related to the group of interest rate derivatives. + References No definition available. + Details
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- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5579245-113959 + Details
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- Details
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- Details
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- Details
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