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Property, Plant and Equipment - Summary of Variations in Tangible Assets (Details) - EUR (€) € in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | € 11,648 | € 16,453 | € 7,765
Increase | (2,302) | (4,676) | 10,429
Decrease | (394) | (56) | (1,741)
Translation adjustments | (11) | 7 | 0
Reclassification | 74 | (80) | 0
Ending balance | 9,015 | 11,648 | 16,453
Gross |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | 24,911 | 27,238 | 15,774
Increase | 487 | 775 | 13,339
Decrease | (5,454) | (3,022) | (1,875)
Translation adjustments | 0 | 0 | 0
Reclassification | 74 | (80) | 0
Ending balance | 20,017 | 24,911 | 27,238
Gross | Buildings on non-freehold land |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | 12,167 | 12,229 | 1,458
Increase | 0 | 0 | 12,218
Decrease | (1,912) | 0 | 0
Translation adjustments | 0 | 0 | 0
Reclassification | 56 | (62) | (1,447)
Ending balance | 10,311 | 12,167 | 12,229
Gross | Scientific equipment |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | 9,080 | 11,260 | 10,879
Increase | 71 | 450 | 556
Decrease | (2,831) | (2,630) | (120)
Translation adjustments | 0 | 0 | 0
Reclassification | 0 | 0 | (54)
Ending balance | 6,320 | 9,080 | 11,260
Gross | Fittings |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | 1,703 | 1,592 | 1,531
Increase | (4) | 233 | 66
Decrease | (234) | (113) | 0
Translation adjustments | 0 | 0 | 0
Reclassification | 9 | (9) | (5)
Ending balance | 1,474 | 1,703 | 1,592
Gross | Vehicles |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | 99 | 99 | 99
Increase | 60 | 0 | 0
Decrease | (67) | 0 | 0
Translation adjustments | 0 | 0 | 0
Reclassification | 0 | 0 | 0
Ending balance | 91 | 99 | 99
Gross | Computer equipment |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | 1,534 | 1,669 | 1,446
Increase | 30 | 69 | 227
Decrease | (18) | (194) | (15)
Translation adjustments | 0 | 0 | 0
Reclassification | (4) | (11) | 11
Ending balance | 1,542 | 1,534 | 1,669
Gross | Furniture |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | 329 | 389 | 361
Increase | 0 | 8 | 31
Decrease | (50) | (68) | (3)
Translation adjustments | 0 | 0 | 0
Reclassification | 0 | 0 | 0
Ending balance | 279 | 329 | 389
Gross | In progress |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | 0 | 0 | 0
Increase | 330 | 15 | 241
Decrease | (342) | (17) | (1,737)
Translation adjustments | 0 | 0 | 0
Reclassification | 12 | 2 | 1,496
Ending balance | 0 | 0 | 0
Accumulated Depreciation |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | (11,090) | (10,785) | (8,010)
Increase | (2,789) | (3,279) | (2,909)
Decrease | 3,587 | 2,967 | 133
Translation adjustments | (11) | 7 | 0
Reclassification | 0 | 0 | 0
Ending balance | (10,304) | (11,090) | (10,785)
Accumulated Depreciation | Buildings on non-freehold land |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | (2,603) | (1,216) | (1)
Increase | (1,417) | (1,398) | (1,215)
Decrease | 1,120 | 10 | 0
Translation adjustments | 0 | 0 | 0
Reclassification | 0 | 0 | 0
Ending balance | (2,900) | (2,603) | (1,216)
Accumulated Depreciation | Scientific equipment |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | (5,952) | (7,172) | (5,988)
Increase | (1,061) | (1,368) | (1,303)
Decrease | 2,145 | 2,588 | 119
Translation adjustments | 0 | 0 | 0
Reclassification | 0 | 0 | 0
Ending balance | (4,868) | (5,952) | (7,172)
Accumulated Depreciation | Fittings |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | (982) | (875) | (769)
Increase | (91) | (218) | (105)
Decrease | 190 | 107 | 0
Translation adjustments | (5) | 4 | 0
Reclassification | 0 | 0 | 0
Ending balance | (888) | (982) | (875)
Accumulated Depreciation | Vehicles |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | (85) | (66) | (45)
Increase | (13) | (20) | (21)
Decrease | 67 | 0 | 0
Translation adjustments | 0 | 0 | 0
Reclassification | 0 | 0 | 0
Ending balance | (31) | (85) | (66)
Accumulated Depreciation | Computer equipment |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | (1,217) | (1,155) | (915)
Increase | (195) | (260) | (252)
Decrease | 14 | 193 | 12
Translation adjustments | (6) | 4 | 0
Reclassification | 0 | 0 | 0
Ending balance | (1,403) | (1,217) | (1,155)
Accumulated Depreciation | Furniture |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | (251) | (303) | (292)
Increase | (12) | (15) | (13)
Decrease | 50 | 68 | 3
Translation adjustments | 0 | (1) | 0
Reclassification | 0 | 0 | 0
Ending balance | (213) | (251) | (303)
Accumulated Depreciation | In progress |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | 0 | 0 | 0
Increase | 0 | 0 | 0
Decrease | 0 | 0 | 0
Translation adjustments | 0 | 0 | 0
Reclassification | 0 | 0 | 0
Ending balance | 0 | 0 | 0
Impairment |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | (2,172) | 0 | 0
Increase | 0 | (2,172) | 0
Decrease | 1,473 | 0 | 0
Translation adjustments | 0 | 0 | 0
Reclassification | 0 | 0 | 0
Ending balance | (699) | (2,172) | 0
Impairment | Buildings on non-freehold land |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | (1,182) | 0 | 0
Increase | 0 | (1,182) | 0
Decrease | 679 | 0 | 0
Translation adjustments | 0 | 0 | 0
Reclassification | 0 | 0 | 0
Ending balance | (503) | (1,182) | 0
Impairment | Scientific equipment |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | (866) | 0 | 0
Increase | 0 | (866) | 0
Decrease | 779 | 0 | 0
Translation adjustments | 0 | 0 | 0
Reclassification | 0 | 0 | 0
Ending balance | (87) | (866) | 0
Impairment | Fittings |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | (93) | 0 | 0
Increase | 0 | (93) | 0
Decrease | 0 | 0 | 0
Translation adjustments | 0 | 0 | 0
Reclassification | 0 | 0 | 0
Ending balance | (93) | (93) | 0
Impairment | Vehicles |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | 0 | 0 | 0
Increase | 0 | 0 | 0
Decrease | 0 | 0 | 0
Translation adjustments | 0 | 0 | 0
Reclassification | 0 | 0 | 0
Ending balance | 0 | 0 | 0
Impairment | Computer equipment |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | (27) | 0 | 0
Increase | 0 | (27) | 0
Decrease | 15 | 0 | 0
Translation adjustments | 0 | 0 | 0
Reclassification | 0 | 0 | 0
Ending balance | (12) | (27) | 0
Impairment | Furniture |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | (3) | 0 | 0
Increase | 0 | (3) | 0
Decrease | 0 | 0 | 0
Translation adjustments | 0 | 0 | 0
Reclassification | 0 | 0 | 0
Ending balance | (3) | (3) | 0
Impairment | In progress |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | 0 | 0 | 0
Increase | 0 | 0 | 0
Decrease | 0 | 0 | 0
Translation adjustments | 0 | 0 | 0
Reclassification | 0 | 0 | 0
Ending balance | € 0 | € 0 | € 0

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- Definition The decrease in property, plant and equipment resulting from disposals. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 73 -Subparagraph e -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e_ii&doctype=Standard -URIDate 2021-03-24 + Details
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