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Loss per Share (Details)
12 Months Ended
Dec. 31, 2017
shares
Oct. 20, 2016
shares
Oct. 19, 2016
shares
Earnings per share [line items]      
Dilutive effect of warrants on number of ordinary shares 43,398,209    
Common Shares      
Earnings per share [line items]      
Reverse stock split, Conversion ratio 4    
Number of shares outstanding   2,627,674 10,510,741