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Advances for Vessel Under Construction and Acquisitions - Summary of Advances for Vessels Under Construction and Acquisitions (Detail) - USD ($)
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Investments in and Advances to Affiliates, Schedule of Investments [Abstract]    
Beginning balance $ 6,539,115 $ 2,988,903
Advance for vessel under construction 23,152,125 2,891,283
Capitalized interest 20,060 168,344
Supervision fees 236,521 210,970
Commissions - vessels purchased 289,347  
Other Capitalized Expenses 129,729 279,615
Transfer to vessels. Net (30,366,897)  
Ending balance $ 0 $ 6,539,115