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

Fair Value Measurements (Details 1)

v3.20.1
Fair Value Measurements (Details 1) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Statement Line Items [Line Items]      
Opening balance as of beginning of year $ (97) $ (41)
Issuance (100) (38)
Classification of warrants from equity to liability   (3,267)
Exercise of anti-dilution derivatives 2,024
Loss from changes in fair value of financial instruments (3,230) (56) (3)
Classification of warrants from liability to equity    
Closing balance as of end of year (68) (97) $ (41)
Warrants [Member]      
Statement Line Items [Line Items]      
Opening balance as of beginning of year    
Classification of warrants from equity to liability (1,804)    
Loss from changes in fair value of financial instruments (1,335)    
Classification of warrants from liability to equity 3,139    
Closing balance as of end of year