Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Divestments and Investments (Schedule of Financial Data for Equity Minority Interests Divested) (Details)

v3.10.0.1
Divestments and Investments (Schedule of Financial Data for Equity Minority Interests Divested) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Oct. 22, 2018
Noncontrolling Interest [Line Items]        
Current assets $ 30,182      
Non-current assets 5,337      
Total assets 35,519      
Current liabilities 3,434      
Non-current liabilities 28      
Total liabilities 3,462      
Net loss for the year ended 11,306      
LPW Technology [Member]        
Noncontrolling Interest [Line Items]        
Current assets   $ 18,512   $ 10,682
Non-current assets   6,257   16,571
Total assets   24,769   27,253
Current liabilities   5,751   7,600
Non-current liabilities   1,401   4,930
Total liabilities   7,152   $ 12,530
Net loss for the year ended $ 4,600 $ 1,800 $ 500