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INCOME TAXES (Tables)
 12 Months Ended
Dec. 31, 2019
Major components of tax expense (income) [abstract]  
Disclosure of detailed information about deferred taxes [Table Text Block]
  December 31, 2019  December 31, 2018 
Royalty interest$(1,385)$(1,690)
Tax loss carryforwards 3,377  3,204 
Other 115  90 
Total$2,107 $1,604 
Disclosure of detailed information about temporary difference, unused tax losses and unused tax credits [Table Text Block]

    December 31, 2019     December 31, 2018     Expiry Date Range  
Tax loss carryforwards $ 55,849   $ 47,199     2026-2038  
Exploration and evaluation assets   410     595     No expiry  
Other $ 1,482   $ 19,192     No expiry  
Disclosure of detailed information about income tax expense [Table Text Block]
  December 31, 2019  December 31, 2018 
Current tax expense$- $- 
Deferred tax recovery (415) (3,683)
 $(415) $(3,683)
Disclosure of detailed information about effective income tax expense recovery [Table Text Block]

    December 31, 2019     December 31, 2018  
Expected income tax (recovery) $ (3,844 ) $ 15,777  
Effect of lower tax rates in foreign jurisdictions   942     (22,238 )
Permanent differences   898     1,332  
Change in unrecognized deductible temporary differences and other   1,191     1,627  
Foreign exchange   398     (181 )
Total $ (415 ) $ (3,683 )