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Receivables and Other Current Assets (Tables)
 6 Months Ended
Jun. 30, 2018
Trade and other current receivables [abstract]  
Schedule of Receivables and Other Current Assets

A summary of the receivables and other current assets as of June 30, 2018 is detailed in the table below:

 

    June 30, 2018     December 31, 2017  
Sales taxes receivable     61       143  
Interest receivable     12       16  
Other current assets     1,066       83  
      1,139       242