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SHARE CAPITAL - Summary of Outstanding and Restricted Stocks (Details) - Share-based Payment Arrangement, Option [Member] | 12 Months Ended
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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

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- Definition The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(iii) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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