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Note 11 - Voyage and Vessel Operating Expenses - Summary of Voyage Expenses in the Consolidated Statements of Operations (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Total | $ 1,994 | $ 3,038 | $ 1,020
Total | 21,024 | 22,786 | 14,826
Voyage Expenses [Member] |  |  |
Port charges / other voyage expenses | 1 | 678 | 1
Bunkers | 659 | 830 | 18
Commissions (including $511, $829 and $761 respectively, to related party) | 1,334 | 1,530 | 1,001
Total | 1,994 | 3,038 | 1,020
Vessel Operating Expenses [Member] |  |  |
Crew wages and related costs | 14,532 | 15,771 | 10,185
Insurance | 1,194 | 1,180 | 761
Repairs and maintenance (including $187, $247 and $60 respectively, to related party) | 1,259 | 1,528 | 1,120
Spares and consumable stores | 3,861 | 4,148 | 2,645
Registration and tonnage taxes (Note 13) | $ 178 | $ 159 | $ 115

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- Definition Represents commissions. + References No definition available. + Details
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- Definition Represents port charges. + References No definition available. + Details
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- Definition Represents spares and consumable stores. + References No definition available. + Details
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- Definition The aggregate costs of keeping the vessel in good condition but that do not appreciably prolong the life or increase the value of the vessel, expenditures for salaries other than officers and all vessel related insurance expense. + References No definition available. + Details
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- Definition These expenses include commission costs (brokerage, address commission etc), port due costs, bunker expenses and other voyage expenses. + References No definition available. + Details
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- Definition The aggregate costs of keeping the property in good condition but that do not appreciably prolong the life or increase the value of the property. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 + Details
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- Definition Fuel costs incurred that are directly related to goods produced and sold and services rendered during the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(a),(d)) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 + Details
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- Definition The expense in the period incurred with respect to protection provided by insurance entities against risks other than risks associated with production (which are allocated to cost of sales). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 + Details
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- Definition Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(b)(4)) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 + Details
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- Definition Amount of other income tax expense (benefit). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)(1)(Note 1)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32672-109319 + Details
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