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Note 16 - Financial Instruments (Tables) | 12 Months Ended
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Dec. 31, 2023
Notes Tables |
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] |
|  | Fair Value Measurement as of December 31, 2023 |
|  | Total |  |  | (Level 1) |  |  | (Level 2) |  |  | (Level 3) |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swap contracts, current portion |  | $ | 56,042 |  |  |  | - |  |  | $ | 56,042 |  |  |  | - |
Interest rate swap contracts, long-term portion |  | $ | 168,138 |  |  |  | - |  |  | $ | 168,138 |  |  |  | - |
|  | Fair Value Measurement as of December 31, 2022 |
|  | Total |  |  | (Level 1) |  |  | (Level 2) |  |  | (Level 3) |
Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swap contracts, current portion |  | $ | 1,142,682 |  |  |  | - |  |  | $ | 1,142,682 |  |  |  | - |
Interest rate swap contracts, long-term portion |  | $ | 2,669,244 |  |  |  | - |  |  | $ | 2,669,244 |  |  |  | - |
Fair Value Measurements, Nonrecurring [Table Text Block] |
Vessel |  | Significant Other Observable Inputs (Level 2) (amounts in $million) |  |  | Loss (amounts in $million) |
M/V Jonathan P |  | $ | 7.1 |  |  | $ | 13.8 |

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- Definition Tabular disclosure of assets and liabilities by class, including financial instruments measured at fair value that are classified in shareholders' equity, if any, that are measured at fair value on a nonrecurring basis in periods after initial recognition (for example, impaired assets). Disclosures may include, but are not limited to: (a) the fair value measurements recorded and the reasons for the measurements and (b) the level within the fair value hierarchy in which the fair value measurements are categorized in their entirety (levels 1, 2, 3). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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