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RESEARCH AND DEVELOPMENT EXPENSES (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Research And Development Expenses Net [Line Items] |  |  |
Research and development expenses | $ 16,491 | $ 17,419 | $ 24,862
Payroll and related expenses |  |  |
Research And Development Expenses Net [Line Items] |  |  |
Research and development expenses, gross | 636 | 623 | 552
Professional services and consulting fees |  |  |
Research And Development Expenses Net [Line Items] |  |  |
Research and development expenses, gross | 1,752 | 2,345 | 2,297
Share-based payments |  |  |
Research And Development Expenses Net [Line Items] |  |  |
Research and development expenses, gross | 883 | 671 | 872
Clinical and pre-clinical trials |  |  |
Research And Development Expenses Net [Line Items] |  |  |
Research and development expenses, gross | 12,569 | 12,840 | 20,373
Intellectual property development |  |  |
Research And Development Expenses Net [Line Items] |  |  |
Research and development expenses, gross | 298 | 317 | 290
Other |  |  |
Research And Development Expenses Net [Line Items] |  |  |
Research and development expenses, gross | $ 353 | $ 623 | $ 478

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- Definition The amount of expenditure directly attributable to research or development activities, recognised in profit or loss. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2020-01-01 -Paragraph 126 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2020-en-r&anchor=para_126&doctype=Standard -URIDate 2020-01-01 + Details
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