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Note 35 - Operating Segments (Details Textual) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Statement Line Items [Line Items]      
Total revenue $ 68,399 $ 69,762 [1] $ 61,992
Fidelity Printers [member]      
Statement Line Items [Line Items]      
Total revenue 68,399 69,762 $ 61,992
Key management personnel of entity or parent [member]      
Statement Line Items [Line Items]      
Amounts receivable, related party transactions $ 1,871 $ 561  
[1] Restated, refer note 4(a).