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Other Current Assets (Tables)
 12 Months Ended
Dec. 31, 2019
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Schedule of Other Current Assets

    Years ended December 31,
    2019     2018  
    (in thousands)
                 
Amounts due from government institutions   $ 101     $ 65  
Deferred costs related to issuance of common shares (see Note 16)     -       412  
Prepaid expenses and others     185       91  
    $ 286     $ 568