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Note 22 - Share Capital - Issued Ordinary Shares (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Statement Line Items [Line Items]      
Balance $ 69,211 $ 59,317 $ 50,361
Balance $ 78,808 $ 69,211 $ 59,317
Issued capital [member]      
Statement Line Items [Line Items]      
Number of fully paid shares issued, beginning of period (in shares) 10,603,153 [1] 10,651,936 [1] 10,510,232
Balance $ 55,102 $ 55,002 $ 54,569
Number of fully paid shares issued during the year (in shares) [1] 69,280 141,704
Issued during the year, amount $ 246 $ 433
Number of fully paid shares issued, share repurchased (in shares) [1]   (118,063)  
Share repurchased, amount   $ (146)  
Number of fully paid shares issued, end of period (in shares) [1] 10,603,153 10,603,153 10,651,936
Balance $ 55,102 $ 55,102 $ 55,002
[1] Amounts stated after the 1:5 share consolidation