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CASH AND CASH EQUIVALENTS (Tables)
 12 Months Ended
Dec. 31, 2019
Cash And Cash Equivalents  
Cash and cash equivalent balance
        At December 31   At December 31
(in thousands)       2019   2018
             
Cash     $ 1,583 $ 1,152
Cash in MLJV and MWJV       1,397   654
Cash equivalents       5,210   21,401
      $ 8,190 $ 23,207