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SHARE CAPITAL AND SHAREBASED PAYMENTS (Details)
 6 Months Ended 12 Months Ended
Jun. 30, 2021
$ / shares
shares
Dec. 31, 2020
$ / shares
shares
Statement [Line Items]    
Outstanding and exercisable underlying shares, Beginning 2,980,774  
Stock options [Member]    
Statement [Line Items]    
Outstanding and exercisable underlying shares, Beginning 3,483,000 2,638,500
Granted   1,700,000
Cancelled / Forfeited (20,000) (807,500)
Exercised (264,000) (48,000)
Stock options outstanding, Ending 3,199,000 3,483,000
Stock options exercisable 2,779,000  
Outstanding and exercisable Weighted Average Exercise Price, Beginning | (per share) $ 1.77 $ 1.82
Weighted Average Exercise Price, Granted | $ / shares   1.64
Weighted Average Exercise Price, Exercised | (per share) 1.16 0.79
Weighted Average Exercise Price, Cancelled / Forfeited | (per share) 1.64 1.70
Stock options outstanding | (per share) 1.82 $ 1.77
Weighted Average Exercise Price, Stock options exercisable | $ / shares $ 1.85