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ACCOUNTS RECEIVABLE (Tables)
 12 Months Ended
Dec. 31, 2019
Trade and other receivables [abstract]  
Disclosure of detailed information about trade and other receivables [Table Text Block]
    2019     2018  
             
Accounts receivable before allowance for doubtful accounts $ 22,052   $ 9,472  
Allowance for doubtful accounts   (188 )   (154 )
Accounts receivable $ 21,864   $ 9,318