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Note 7 - Fair Value of Below Market Time Charters Acquired (Details Textual) - USD ($) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Sep. 30, 2023 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Jun. 30, 2022
Gain (Loss) on Contract Termination | $ 15,984,253 | $ 15,984,253 | $ (0) | $ (0) |
Amortization of Fair Value of Below-market Time Charters Acquired |  | 11,368,879 | 10,827,595 | 230,112 |
Below Market Time Charters Acquired, Noncurrent |  | 7,580,306 | $ 34,933,438 |  |
Below Market Time Charters, Accumulated Amortization |  | $ 10,111,392 |  |  |
Below Market Time Charters, Weighted Average Amortization Life (Year) |  | 1 year 6 months 10 days |  |  |
Fair Value, Inputs, Level 2 [Member] | M/V Marcos V [Member] |  |  |  |  |
Below Market Time Charters, Fair Value |  |  |  | $ 17,691,698 |
Fair Value, Inputs, Level 2 [Member] | M/V Emmanuel P [Member] |  |  |  |  |
Below Market Time Charters, Fair Value |  |  |  |  | $ 15,759,241
Fair Value, Inputs, Level 2 [Member] | M/V Rena P [Member] |  |  |  |  |
Below Market Time Charters, Fair Value |  |  |  |  | $ 12,540,206

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- Definition The amount of amortization of fir value of below market time charters acquired. + References No definition available. + Details
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- Definition The amount of accumulated amortization of below market time charters. + References No definition available. + Details
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- Definition Gain (loss) related to the termination of a contract between the parties. The termination may be due to many causes including early termination of a lease by a lessee, a breach of contract by one party, or a failure to perform. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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