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Note 6 - Vessels, Net and Vessels Held for Sale (Detail) (USD $) |  | 1 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2011 | Dec. 31, 2011 Gas Elixir, Gas Cerberus, and Gas Myth [Member] | Dec. 31, 2011 Gas Shanghai, Gas Chios, Gas Czar, and Gas Nemesis [Member] | Dec. 31, 2011 Vessels [Member] | Dec. 23, 2011 Gas Tiny [Member] | Dec. 31, 2011 Gas Tiny [Member] | Dec. 16, 2011 Gas Tiny [Member] | Dec. 31, 2012 Gas Husky and Gas Esco [Member] | Dec. 31, 2012 Gas Kalogeros [Member] | Dec. 31, 2012 Gas Tiny and Gas Kalogeros [Member]
Significant Acquisitions and Disposals, Acquisition Costs or Sale Proceeds |  | $ 69,906,578 | $ 25,850,000 |  |  |  | $ 2,400,000 | $ 65,661,599 | $ 16,800,000 |
Significant Acquisitions and Disposals, Gain (Loss) on Sale or Disposal, Pretax |  |  |  | 5,654,178 |  |  |  |  |  | 1,372,409
Assets Held-for-sale, Current | 921,285 |  |  |  |  | 921,285 |  |  |  |
Percentage of Selling Price Received As Deposit |  |  |  |  | 10.00% |  |  |  |  |
Amount of Selling Price Received as Deposit |  |  |  |  | $ 240,000 |  |  |  |  |

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- Definition Current assets (normally turning over within one year or one business cycle if longer) that are held for sale apart from normal operations and anticipated to be sold within one year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e1107-107759 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 144 -Paragraph 46 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The difference between the value of the consideration received by the Entity on the sale or disposal and net book value of assets sold or disposed, before any tax related impact. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2941-110230 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 + Details
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