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TRADE AND OTHER RECEIVABLES (Tables)
 12 Months Ended
Dec. 31, 2019
Trade And Other Receivables  
Trade and other receivables
        At December 31   At December 31
(in thousands)       2019   2018
             
Trade receivables     $ 2,608 $ 2,952
Receivables in MLJV and MWJV       1,125   571
Sales tax receivables       92   98
Sundry receivables       198   201
Loan receivable (note 24)       -   250
      $ 4,023 $ 4,072