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SUPPLEMENTARY CASH FLOW INFORMATION (Tables)
 12 Months Ended
Dec. 31, 2018
Supplementary Cash Flow Information  
Schedule of Supplementary Cash Flow Information

    2018     2017     2016  
Net change in non-cash working capital items:                  
Deferred revenues   $ 573     $ -     $ -  
Accounts payable and accrued liabilities     2,329       (136 )     708  
Prepaid expenses and other assets     981       (1,672 )     (115 )
Amounts receivable     543       (1,585 )     (355 )
Taxes payable     (358 )     (292 )     (14 )
Amounts due to related parties     (44 )     1       42  
Taxes recoverable     1,017       (2,828 )     (1,323 )
Inventory     (42 )     (2,565 )     (41 )
    $ 4,999     $ (9,077 )   $ (1,098 )

 

    2018     2017     2016  
                   
Interest paid   $ 959     $ 445     $ 471  
Taxes paid   $ 4,991     $ 5,765     $ 3,136  
Equipment acquired under finance leases and equipment loans   $ 1,771     $ 1,228     $  3,452