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Note 4 - Vessels, Net (Details Textual)	May 03, 2022 USD ($)	Apr. 26, 2022 USD ($)	Jun. 30, 2022 USD ($)	Dec. 31, 2021 USD ($)
Number of Vessels Used As Collateral			14
Property, Plant and Equipment, Net, Total			$ 233,602,546	$ 176,111,486
Number of Vessels Unencumbered			4
Vessels [Member]
Property, Plant and Equipment, Net, Total			$ 158,369,761
M/V Seaspan Melbourne [Member]
Payments to Acquire Property, Plant, and Equipment, Total	$ 17,500,000
Payments to Make Property, Plant and Equipment Available for Use	108,594
Payments to Acquire Property, Plant, and Equipment, Including Preparation Costs	33,367,835
Seaspan Melbourne, Vessels [Member]
Payments to Acquire Property, Plant, and Equipment, Total	33,259,241
Seaspan Melbourne, In-place Attached Time Charter [Member]
Payments to Acquire Property, Plant, and Equipment, Total	$ 15,759,241
M/V Seaspan Manila [Member]
Payments to Acquire Property, Plant, and Equipment, Total		$ 17,500,000
Payments to Make Property, Plant and Equipment Available for Use		995,823
Payments to Acquire Property, Plant, and Equipment, Including Preparation Costs		31,036,029
Seaspan Manila, Vessels [Member]
Payments to Acquire Property, Plant, and Equipment, Total		30,040,206
Seaspan Manila, In-place Attached Time Charter [Member]
Payments to Acquire Property, Plant, and Equipment, Total		$ 12,540,206

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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