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SHARE CAPITAL - Summary of Options Granted to Employees (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 12 Months Ended
--- | --- | ---
Sep. 13, 2018 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Share-based Payment Arrangement, Option [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Vesting period | 4 years |  |  |
Fair value at grant | $ 1,900 |  |  |
Share-based Payment Arrangement, Option [Member] | Exercise Price 5.60 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of options granted |  |  |  | 400,000
Exercise price |  |  |  | $ 5.60
Vesting period |  |  |  | 4 years
Fair value at grant |  |  |  | $ 1,196
Expiration period |  |  |  | 10 years
Share-based Payment Arrangement, Option [Member] | Exercise Price 5.10 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of options granted |  |  |  | 236,000
Exercise price |  |  |  | $ 5.10
Vesting period |  |  |  | 4 years
Fair value at grant |  |  |  | $ 729
Expiration period |  |  |  | 10 years
Share-based Payment Arrangement, Option [Member] | Exercise Price 4.69 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of options granted |  |  | 160,000 |
Exercise price |  |  | $ 4.69 |
Vesting period |  |  | 4 years |
Fair value at grant |  |  | $ 449 |
Expiration period |  |  | 10 years |
Share-based Payment Arrangement, Option [Member] | Exercise Price 2.00 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of options granted |  |  | 80,000 |
Exercise price |  |  | $ 2.00 |
Vesting period |  |  | 4 years |
Fair value at grant |  |  | $ 97 |
Expiration period |  |  | 10 years |
Share-based Payment Arrangement, Option [Member] | Exercise Price 3.59 One [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of options granted |  | 196,995 |  |
Exercise price |  | $ 3.59 |  |
Vesting period |  | 4 years |  |
Fair value at grant |  | $ 482 |  |
Expiration period |  | 10 years |  |
Share-based Payment Arrangement, Option [Member] | Exercise Price 3.66 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of options granted |  | 760,311 |  |
Exercise price |  | $ 3.66 |  |
Vesting period |  | 4 years |  |
Fair value at grant |  | $ 1,893 |  |
Expiration period |  | 10 years |  |
Share-based Payment Arrangement, Option [Member] | Exercise Price 3.73 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of options granted |  | 129,771 |  |
Exercise price |  | $ 3.73 |  |
Vesting period |  | 4 years |  |
Fair value at grant |  | $ 329 |  |
Expiration period |  | 10 years |  |
Share-based Payment Arrangement, Option [Member] | Exercise Price 3.59 Two [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of options granted |  | 122,656 |  |
Exercise price |  | $ 3.59 |  |
Vesting period |  | 4 years |  |
Fair value at grant |  | $ 299 |  |
Expiration period |  | 10 years |  |
Restricted Stock [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Vesting period |  | 4 years |  |
Fair value at grant |  | $ 2,492 |  |
Expiration period |  | 10 years |  |
Number of restricted stock granted |  | 694,073 |  |

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