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SHARE CAPITAL AND SHAREBASED PAYMENTS (Details)
 9 Months Ended 12 Months Ended
Sep. 30, 2021
$ / shares
shares
Sep. 30, 2021
$ / shares
shares
Dec. 31, 2020
$ / shares
shares
Statement [Line Items]      
Outstanding and exercisable underlying shares, Beginning 2,980,774 2,980,774  
Stock options [Member]      
Statement [Line Items]      
Outstanding and exercisable underlying shares, Beginning 3,483,000 3,483,000 2,638,500
Granted     1,700,000
Cancelled / Forfeited (20,000) (20,000) (807,500)
Expired (360,000) (360,000)  
Exercised (264,000) (264,000) (48,000)
Stock options outstanding, Ending 2,839,000 2,839,000 3,483,000
Stock options exercisable 2,839,000 2,839,000  
Outstanding and exercisable Weighted Average Exercise Price, Beginning | $ / shares $ 1.77   $ 1.82
Weighted Average Exercise Price, Granted | $ / shares     1.64
Weighted Average Exercise Price, Expired | $ / shares   $ 2.95  
Weighted Average Exercise Price, Exercised | $ / shares 1.16   0.79
Weighted Average Exercise Price, Cancelled / Forfeited | $ / shares 1.64   1.70
Stock options outstanding | $ / shares 1.68   $ 1.77
Weighted Average Exercise Price, Stock options exercisable | $ / shares $ 1.68