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Intangible Assets
 12 Months Ended
Dec. 31, 2021
Disclosure of detailed information about intangible assets [abstract]  
Intangible Assets INTANGIBLE ASSETS
Intangible assets consist mainly of office and administrative software as well as scientific software purchased by the Group.
The following tables show the variations in intangible assets for the years ended December 31, 2019, 2020 and 2021:
As ofIncreaseDecreaseTranslationReclassificationAs of
(in € thousands)2018/12/31adjustments2019/12/31
Gross
Software2,049 653 (29)— 378 2,739 
Patents21 70 — — — 91 
Other intangibles313 65 (313)— (378)— 
TOTAL—Gross2,384 788 (342)— — 2,830 
Accumulated depreciation and impairment
Software(1,567)(350)29 — — (2)
Patents(21)— — — — (21)
Other intangibles— — — — — — 
TOTAL - Accumulated depreciation and impairment(1,588)(350)29 — — (1,910)
TOTAL - Net796 438 (313)— — 920 

As ofIncreaseDecreaseTranslationReclassificationAs of
(in € thousands)12/31/2019adjustments12/31/2020
Gross
Software1,948 231 (691)— (48)1,440 
Patents91 — — — — 91 
Other intangibles— (24)(25)— 48 — 
TOTAL—Gross2,039 207 (715)— — 1,531 
Accumulated depreciation and impairment
Software(1,592)(309)688 — — (1,213)
Patents(21)— — — — (21)
Other intangibles— — — — — — 
TOTAL - Accumulated depreciation and impairment(1,613)(310)688 — — (1,234)
TOTAL - Net426 (102)(27)— — 297 

As ofIncreaseDecreaseTranslationReclassificationAs of
(in € thousands)12/31/2020adjustments2021/12/31
Gross
Software1,440 126 (255)— (17)1,294 
Patents91 — (21)— — 70 
Other intangibles— — (17)— 17 — 
TOTAL—Gross1,531 126 (293)— — 1,364 
Accumulated depreciation and impairment
Software(1,213)(152)176 — — (1,190)
Patents(21)— 21 — — — 
Other intangibles— — — — — — 
TOTAL - Accumulated depreciation and impairment(1,234)(152)197 — — (1,190)
TOTAL - Net297 (26)(96)— — 174 
The implementation for the April 2021 IFRIC decision on IAS 38 had a negative impact of €495 on intangible assets on the opening balance sheet for 2020.