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SHARE CAPITAL - Share-based Compensation Narrative (Details) |  |  |  | 3 Months Ended | 6 Months Ended
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Feb. 12, 2021 contingentStockRight shares | Apr. 06, 2020 | Mar. 09, 2020 USD ($) contingentStockRight | Jun. 30, 2021 USD ($) shares | Jun. 30, 2020 USD ($) contingentStockRight | Jun. 30, 2021 USD ($) shares | Jun. 30, 2020 USD ($) contingentStockRight shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Fair value of options and RSUs granted |  |  |  |  |  | $ 7,500,000 | $ 11,400,000
Number of common stock shares issued per CSR (in shares) |  | 1.2082 |  |  |  |  |
Effective exchange ratio (CSR per share) |  | 1.8006 |  |  |  |  |
Additional paid in capital reclassified to derivate liabilities |  |  |  |  | $ (657,000) |  | 975,000
Foamix |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Number of contingent stock rights issued (in CSR) | contingentStockRight |  |  | 1 |  |  |  |
Foamix | Employees and consultants |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Incremental compensation costs incurred |  |  |  | $ 500,000 | 9,300,000 | 1,400,000 | 9,300,000
Incremental compensation costs incurred |  |  |  |  |  | $ 1,900,000 |
Incremental compensation costs, recognition period |  |  |  |  |  | 2 years |
Foamix | No longer employed or providing services |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Incremental compensation costs incurred |  |  |  | $ 0 | $ 500,000 | $ 0 | $ 1,000,000.0
Additional paid in capital reclassified to derivate liabilities |  |  | $ 1,600,000 |  |  |  |
Incremental compensation cost |  |  | $ 600,000 |  |  |  |
Common stock | Foamix |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Shares issued during the period (in shares) | shares |  |  |  |  |  | 42,989 | 61,031
2019 Plan |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Shares reserved for future issuance (in shares) | shares |  |  |  | 1,240,195 |  | 1,240,195 |
2018 Plan |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Shares reserved for future issuance (in shares) | shares |  |  |  | 519,928 |  | 519,928 |
Increase in shares reserved for future issuance (in shares) | shares |  |  |  | 750,000 |  | 750,000 |
ESPP |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Shares reserved for future issuance (in shares) | shares |  |  |  | 2,261,108 |  | 2,261,108 |
Percentage of fair market value used as purchase price |  |  |  |  |  | 85.00% |
Percent of annual earnings that may be used to purchase shares |  |  |  | 15.00% |  | 15.00% |
ESPP | Common stock |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Stock issued during period, conversion of units (in shares) | shares | 9,038 |  |  |  |  |  | 36,155
ESPP | Common stock | Foamix |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Number of contingent stock rights issued (in CSR) | contingentStockRight | 1 |  |  |  | 1 |  | 1

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