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Note 29 - Loans and Borrowings - Terms and Repayment Schedule (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Jun. 23, 2017
Statement Line Items [Line Items]          
Nominal interest rate         7.25%
Carrying amount $ 408 $ 2,471 $ 5,960 $ 1,486  
Unsecured bank loan - Stanbic [member]          
Statement Line Items [Line Items]          
Nominal interest rate 50.00%        
Face value $ 87 384      
Carrying amount $ 87 384      
Unsecured bank loan - First Capital [member]          
Statement Line Items [Line Items]          
Nominal interest rate 55.00%        
Face value $ 321 2,087      
Carrying amount $ 321 2,087      
Unsecured bank loan [Member]          
Statement Line Items [Line Items]          
Nominal interest rate        
Face value $ 408 2,471      
Carrying amount $ 408 $ 2,471