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SHARE CAPITAL - Summary of Outstanding and Restricted Stocks (Details) - Share-based Payment Arrangement, Option [Member]
12 Months Ended
Dec. 31, 2020
$ / shares
shares
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Number of options and restricted stock outstanding at end of year 2,551,650
Number of options exercisable 809,764
Exercise Price 2.00 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Exercise price | $ / shares $ 2.00
Number of options and restricted stock outstanding at end of year 80,000
Weighted average remaining contractual life 8 years 8 months 23 days
Number of options exercisable 25,000
Weighted average remaining contractual life 8 years 8 months 23 days
Exercise Price 3.55 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Exercise price | $ / shares $ 3.55
Number of options and restricted stock outstanding at end of year 200,000
Weighted average remaining contractual life 9 years 21 days
Number of options exercisable 37,500
Weighted average remaining contractual life 9 years 21 days
Exercise Price 3.59 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Exercise price | $ / shares $ 3.59
Number of options and restricted stock outstanding at end of year 319,651
Weighted average remaining contractual life 9 years 6 months 3 days
Number of options exercisable 32,290
Weighted average remaining contractual life 9 years 5 months 23 days
Exercise Price 3.66 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Exercise price | $ / shares $ 3.66
Number of options and restricted stock outstanding at end of year 760,311
Weighted average remaining contractual life 9 years 5 months 19 days
Number of options exercisable 95,039
Weighted average remaining contractual life 9 years 5 months 19 days
Exercise Price 3.70 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Exercise price | $ / shares $ 3.70
Number of options and restricted stock outstanding at end of year 240,000
Weighted average remaining contractual life 9 years 1 month 6 days
Number of options exercisable 45,000
Weighted average remaining contractual life 9 years 1 month 6 days
Exercise Price 3.73 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Exercise price | $ / shares $ 3.73
Number of options and restricted stock outstanding at end of year 129,771
Weighted average remaining contractual life 9 years 6 months 7 days
Number of options exercisable 8,111
Weighted average remaining contractual life 9 years 6 months 7 days
Exercise Price 4.69 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Exercise price | $ / shares $ 4.69
Number of options and restricted stock outstanding at end of year 160,000
Weighted average remaining contractual life 8 years 6 months
Number of options exercisable 60,000
Weighted average remaining contractual life 8 years 6 months
Exercise Price 5.10 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Exercise price | $ / shares $ 5.10
Number of options and restricted stock outstanding at end of year 225,342
Weighted average remaining contractual life 7 years 8 months 4 days
Number of options exercisable 127,124
Weighted average remaining contractual life 7 years 7 months 28 days
Exercise Price 5.60 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Exercise price | $ / shares $ 5.60
Number of options and restricted stock outstanding at end of year 225,625
Weighted average remaining contractual life 4 years 8 months 26 days
Number of options exercisable 168,750
Weighted average remaining contractual life 3 years 8 months 26 days
Exercise Price 17.20 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Exercise price | $ / shares $ 17.20
Number of options and restricted stock outstanding at end of year 120,950
Weighted average remaining contractual life 3 years 4 months 2 days
Number of options exercisable 120,950
Weighted average remaining contractual life 3 years 4 months 2 days
Exercise Price 23.70 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Exercise price | $ / shares $ 23.70
Number of options and restricted stock outstanding at end of year 90,000
Weighted average remaining contractual life 9 months 29 days
Number of options exercisable 90,000
Weighted average remaining contractual life 9 months 29 days