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Note 3 - Inventories - Summary of Inventories (Details) - USD ($) | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Inventory | $ 1,889,164 | $ 1,704,391
Lubricant [Member] |  |
Inventory | 1,728,861 | 1,043,763
Victualing [Member] |  |
Inventory | 160,303 | 79,965
Bunkers [Member] |  |
Inventory |  | $ 580,663

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- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121566466&loc=d3e6676-107765 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6(a)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Details
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- Details
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Balance Type: |
Period Type: |

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- Details
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Balance Type: |
Period Type: |