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Intangible Assets
12 Months Ended
Dec. 31, 2020
Disclosure of detailed information about intangible assets [abstract]  
Intangible Assets
Note 7 Intangible Assets
Intangible assets consist mainly of office and administrative software as well as scientific software purchased by the Group.

As ofIncreaseDecreaseTranslationReclassificationAs of
(in € thousands)2020/12/31adjustments2021/12/31
Gross
Software1,440 126 (255)— (17)1,294 
Patents91 — (21)— — 70 
Other intangibles— — (17)— 17 — 
TOTAL—Gross1,531 127 (294)  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)(97)  174 
As ofIncreaseDecreaseTranslationReclassificationAs of
(in € thousands)2021/12/31adjustments2022/06/30
Gross
Software1,294 14 (23)— — 1,285 
Patents70 — — — — 70 
Other intangibles— — — — — — 
TOTAL—Gross1,364 14 (23)  1,355 
Accumulated depreciation and impairment
Software(1,190)(37)21 — — (1,206)
Patents— — — — — — 
Other intangibles— — — — — — 
TOTAL - Accumulated depreciation and impairment(1,190)(37)21   (1,206)
TOTAL - Net174 (23)(2)  149