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6. CASH AND CASH EQUIVALENTS (Tables)
12 Months Ended
Dec. 31, 2017
Cash And Cash Equivalents Tables  
Cash and cash equivalent balance
        At December 31   At December 31
(in thousands)       2017   2016
             
Cash     $ 2,166 $ 5,159
Cash in MLJV and MWJV       728   1,160
Cash equivalents       4   5,519
      $ 2,898 $ 11,838