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Basis of Preparation and Significant Accounting Policies (Details Narrative)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Aug. 05, 2021
USD ($)
Jan. 01, 2019
USD ($)
Disclosure of initial application of standards or interpretations [line items]          
Working capital surplus/ (deficit) $ 37,800        
Impairment loss $ 0 $ 4,615 $ 29,902    
Entity Accounting Standard International Financial Reporting Standards        
Provision for doubtful trade receivables $ 8 0      
Borrowing costs capitalised   0      
Number Of Operating Segments 1        
Description of nature of benefits provided by plan If the employee remains in the employment of the Company until normal retirement age, they are entitled to retirement compensation which is equal to 40% of the compensation amount that would be payable if they were dismissed at that time.        
Net defined benefit liability $ 114 31      
Right of use asset 888 450 562    
Lease liability 952 638      
Depreciation charge for right-of-use assets 206 112 112    
Interest expense on lease liabilities 52 44 51    
Direct operating expense from investment property 14,066        
Lease components 29,145        
Cyberonica S.A. [member]          
Disclosure of initial application of standards or interpretations [line items]          
Incremental cost of borrowing         8.00%
Cyberonica S.A. [member] | For 350 Square meters [member]          
Disclosure of initial application of standards or interpretations [line items]          
Right of use asset         $ 674
Lease liability       $ 380 $ 674
CiT Loan Facility [member]          
Disclosure of initial application of standards or interpretations [line items]          
Borrowing costs capitalised $ 545        
EnTrust loan facility [member]          
Disclosure of initial application of standards or interpretations [line items]          
Borrowing costs capitalised     880    
Deferred Dry-docking costs [member]          
Disclosure of initial application of standards or interpretations [line items]          
Interval Between Vessel Drydocking Special Survey 2 years 6 months        
Depreciation method straight-line basis        
Vessels [member]          
Disclosure of initial application of standards or interpretations [line items]          
Depreciation method straight-line basis        
Useful life 25 years        
Vessels scrap rate per ton $ 380 $ 300 $ 300    
Decrease in depreciation expense due to changes in scrap rate $ 145