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Note 6 - Vessels, Net (Details) - USD ($) | 2 Months Ended | 6 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2014 | Dec. 31, 2015 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013 | Nov. 20, 2015 | Mar. 12, 2015 | Dec. 15, 2014 | Nov. 14, 2014
Note 6 - Vessels, Net (Details) [Line Items] |  |  |  |  |  |  |  |  |
Impairment of Long-Lived Assets Held-for-use |  | $ 6,775,416 | $ 8,238,987 | $ 6,168,747 | $ 0 |  |  |  |
Assets Held-for-sale, Long Lived, Fair Value Disclosure | $ 0 |  |  | $ 0 |  |  |  |  |
Gas Premiership [Member] |  |  |  |  |  |  |  |  |
Note 6 - Vessels, Net (Details) [Line Items] |  |  |  |  |  |  |  |  |
Disposal Group, Including Discontinued Operation, Consideration |  |  |  |  |  |  |  |  | $ 28,500,000
Gas Cathar [Member] |  |  |  |  |  |  |  |  |
Note 6 - Vessels, Net (Details) [Line Items] |  |  |  |  |  |  |  |  |
Disposal Group, Including Discontinued Operation, Consideration |  |  |  |  |  |  |  | $ 28,500,000 |
Gas Premiership and Gas Cathar [Member] |  |  |  |  |  |  |  |  |
Note 6 - Vessels, Net (Details) [Line Items] |  |  |  |  |  |  |  |  |
Sale Leaseback Transaction, Term of Lease | 4 years |  |  |  |  |  |  |  |
The Gas Kaizen and the Gas Crystal Vessels [Member] |  |  |  |  |  |  |  |  |
Note 6 - Vessels, Net (Details) [Line Items] |  |  |  |  |  |  |  |  |
Disposal Group, Including Discontinued Operation, Consideration |  |  |  |  |  |  | $ 2,054,156 |  |
Gas Arctic [Member] |  |  |  |  |  |  |  |  |
Note 6 - Vessels, Net (Details) [Line Items] |  |  |  |  |  |  |  |  |
Disposal Group, Including Discontinued Operation, Consideration |  |  |  |  |  | $ 950,000 |  |  |
Remaining Vessels [Member] |  |  |  |  |  |  |  |  |
Note 6 - Vessels, Net (Details) [Line Items] |  |  |  |  |  |  |  |  |
Impairment of Long-Lived Assets Held-for-use |  |  | $ 1,463,571 |  |  |  |  |  |

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