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3. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
12 Months Ended
Dec. 31, 2016
Summary Of Significant Accounting Policies Tables  
Asset retirement obligation
    2016     2015  
Asset retirement obligations at January 1,   $ 189     $ 89  
Accretion expense     31       40  
Obligations incurred for acquisition     19       87  
Obligations settled - assets sold     -       (3 )
Changes in estimates     7       (24 )
Asset retirement obligations at December 31,   $ 246     $ 189