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SUPPLEMENTARY CASH FLOW INFORMATION (Tables)
 12 Months Ended
Dec. 31, 2019
Supplementary Cash Flow Information  
Schedule of Supplementary Cash Flow Information

    2019     2018     2017  
Net change in non-cash working capital items:                  
Deferred revenues   $ (573 )   $ 573     $ -  
Accounts payable and accrued liabilities     (941 )     2,329       (136 )
Prepaid expenses and other assets     287       981       (1,672 )
Amounts receivable     2,615       543       (1,585 )
Taxes payable     (121 )     (358 )     (292 )
Amounts due to related parties     6       (44 )     1  
Taxes recoverable     (193 )     1,017       (2,828 )
Other liabilities     (100 )     -          
Inventory     3,182       (42 )     (2,565 )
    $ 4,162     $ 4,999     $ (9,077 )

 

    2019     2018     2017  
Interest paid   $ 618     $ 959     $ 445  
Taxes paid   $ 2,373     $ 4,991     $ 5,765  
Equipment acquired under finance leases and equipment loans   $ 122     $ 1,771     $ 1,228