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7. TRADE AND OTHER RECEIVABLES (Tables)
 12 Months Ended
Dec. 31, 2017
Trade And Other Receivables Tables  
Trade and other receivables
        At December 31   At December 31
(in thousands)       2017   2016
             
Trade receivables     $ 3,187 $ 1,792
Receivables in MLJV and MWJV       511   583
Sales tax receivables       67   18
Sundry receivables       54   10
      $ 3,819 $ 2,403