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Commitments (Details Narrative) - USD ($)
 4 Months Ended 5 Months Ended 6 Months Ended
May 13, 2022
Apr. 29, 2022
May 31, 2022
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Disclosure of detailed information about property, plant and equipment [line items]            
Revenue from rendering of services       $ 37,402,000 $ 11,996,000  
Depreciation, right-of-use assets       171,000 56,000  
Interest expense on lease liabilities       31,000 20,000  
Current lease liabilities       362,000   $ 349,000
Non-current lease liabilities       396,000   $ 556,000
Cash advances and loans made to other parties, classified as investing activities       21,220,000 1,631,000  
Nihon Shipyard Co. [member]            
Disclosure of detailed information about property, plant and equipment [line items]            
Date of Commitment   April 29, 2022        
Contractual commitments for acquisition of property, plant and equipment   $ 37,500,000        
Date of expected delivery   first half of 2024        
Cash advances and loans made to other parties, classified as investing activities     $ 7,400,000      
Nantong COSCO KHI Ship Engineering Co. [member]            
Disclosure of detailed information about property, plant and equipment [line items]            
Date of Commitment May 13, 2022          
Contractual commitments for acquisition of property, plant and equipment $ 70,300,000          
Cash advances and loans made to other parties, classified as investing activities     $ 13,800,000      
Number of constructions two          
First Construction [member]            
Disclosure of detailed information about property, plant and equipment [line items]            
Date of expected delivery third half of 2024          
Second Construction [member]            
Disclosure of detailed information about property, plant and equipment [line items]            
Date of expected delivery fourth quarter of 2024          
Property, plant and equipment subject to operating leases [member]            
Disclosure of detailed information about property, plant and equipment [line items]            
Revenue from rendering of services       8,712,000 6,208,000  
Operating lease income       $ 28,690,000 $ 5,788,000