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Share Capital - Schedule of Warrants Outstanding (Details) - $ / shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Series A (2013) [Member]    
Number of outstanding warrants [1] 183 183
Exercise price [1] $ 2,754 $ 2,754
Number of exercisable warrants [1] 181  
Exercisable Through [1] April 9, 2023 April 9, 2023
Series A (2015) [Member]    
Number of outstanding warrants [1] 683 683
Exercise price [1] $ 1,377 $ 1,377
Number of exercisable warrants [1] 676  
Exercisable Through [1] April 30, 2020 April 30, 2020
Series B (2016) [Member]    
Number of outstanding warrants [1] 2,770 2,770
Exercise price [1] $ 40.50 $ 40.50
Number of exercisable warrants [1] 2,741  
Exercisable Through [1] March 14, 2022 March 14, 2022
Warrant to Underwriters 1.2019 [Member]    
Number of outstanding warrants 22,767
Exercise price $ 8.125 $ 8.125
Number of exercisable warrants 22,767  
Exercisable Through July 14, 2022 July 14, 2022
Warrant to Underwriters 1.2019 One [Member]    
Number of outstanding warrants 29,500
Exercise price $ 12.50 $ 12.50
Number of exercisable warrants 29,500  
Exercisable Through July 15, 2022 July 15, 2022
Warrant to Underwriters 1.2019 Two [Member]    
Number of outstanding warrants 12,500
Exercise price $ 12.50 $ 12.50
Number of exercisable warrants 12,500  
Exercisable Through January 15, 2020 January 15, 2020
Warrant to Underwriters 12.2019 [Member]    
Number of outstanding warrants 45,643
Exercise price $ 13.125 $ 13.125
Number of exercisable warrants  
Exercisable Through June 27, 2023 June 27, 2023
Warrant to Underwriters 12.2019 One [Member]    
Number of outstanding warrants 47,619
Exercise price $ 13.125 $ 13.125
Number of exercisable warrants  
Exercisable Through June 30, 2023 June 30, 2023
Warrant to Underwriters 12.2019 Two [Member]    
Number of outstanding warrants 45,045
Exercise price $ 13.875 $ 13.875
Number of exercisable warrants  
Exercisable Through June 25, 2023 June 25, 2023
[1] Prior to January 1, 2019, warrants with non-standard anti-dilution provisions (referred to as down round protection) were classified as liabilities and re-measured each reporting period. On January 1, 2019, the Company adopted the provisions of ASU 2017-11, which indicates that a down round feature no longer precludes equity classification when assessing whether an investment is indexed to an entity's own stock. The Company used a full retrospective approach to adoption and restated its financial statements as of the earliest period presented. The cumulative effect of adoption of ASU 2017-11 resulted in an adjustment to accumulated deficit as of January 1, 2018 of $20 with a corresponding adjustment to additional paid-in capital.