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10. INVESTMENT IN ASSOCIATES (Details 2) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
DisclosureOfInvestmentsInAssociatesLineItems [Line Items]      
Total current assets $ 40,135 $ 17,113  
Total current liabilities 10,995 7,260  
Total net assets 183,952 172,711 $ 167,055
Revenues 11,085 13,833  
Net loss (14,168) (17,343)  
Comprehensive income (loss) (1,247) (4,537)  
GoviEx      
DisclosureOfInvestmentsInAssociatesLineItems [Line Items]      
Total current assets 6,978 4,480  
Total non-current assets 24,530 23,937  
Total current liabilities (7,792) (7,220)  
Total non-current liabilities (112) (503)  
Total net assets 23,604 20,694 $ 17,240
Revenues 0 0  
Net loss (3,632) (392)  
Comprehensive income (loss) $ (3,632) $ (392)