Note 15 - Financial Instruments (Details Textual) |
12 Months Ended | |||
|---|---|---|---|---|
|
Dec. 31, 2025
USD ($)
|
Dec. 31, 2024
USD ($)
|
Dec. 31, 2023
USD ($)
|
Mar. 31, 2023 |
|
| Asset, Impairment Loss | $ 0 | $ 2,796,605 | $ 0 | |
| Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization | $ 165,890,705 | 185,465,570 | ||
| M/V Santa Cruz [Member] | ||||
| Asset, Impairment Loss | 2,800,000 | |||
| Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization | $ 8,700,000 | |||
| Interest Rate Swap [Member] | ||||
| Derivative, Number of Instruments Held | 3 | |||
| Interest Rate Swap [Member] | Not Designated as Hedging Instrument, Economic Hedge [Member] | ||||
| Derivative, Number of Instruments Held | 1 | |||
| X | ||||||||||
- Definition Amount of impairment loss for asset. Includes, but is not limited to, tangible and intangible assets and goodwill. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The number of derivative instruments of a particular group held by the entity. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount, after accumulated depreciation, depletion, and amortization, of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|