v3.26.1
Discontinued Operations - Schedule Of Income Statement Of Discontinued Operations (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Schedule Of Income Statement Of Discontinued Operations [Line Items]      
Revenues and other income $ 79,592 $ 49,217 $ 9,193
Operating income (loss) (33,076) (59,554) (97,302)
Net Financial gain (loss) 34,940 (22,793) 19,163
Net income (loss) from discontinued operations $ 0 $ 0 $ 8,392
Basic net income (loss) attributable to shareholders of Cellectis per share ($ /share) from discontinued operations $ 0 $ 0 $ 0.28
Diluted net income (loss) attributable to shareholders of Cellectis per share ($ /share) from discontinued operations $ 0 $ 0 $ 0.28
Calyxt [Member]      
Schedule Of Income Statement Of Discontinued Operations [Line Items]      
Revenues and other income $ 0 $ 0 $ 43
Operating expenses 0 0 (10,944)
Operating income (loss) 0 0 (10,901)
Net Financial gain (loss) 0 0 (3,307)
Profit from deconsolidation     22,600
Net income (loss) from discontinued operations $ 0 $ 0 $ 8,392