Condensed Statements of Changes in Consolidated Shareholders' Equity $ in Thousands, € in Millions |
USD ($)
shares
|
Subsequent Investment Agreement [Member]
USD ($)
|
Calyxt Inc [Member]
USD ($)
|
Cellectis, Inc. [Member]
USD ($)
|
Share Capital Ordinary Shares [member]
shares
|
Preferrence Shares [Member]
shares
|
Issued capital [member]
USD ($)
|
Issued capital [member]
Share Capital Ordinary Shares [member]
USD ($)
|
Issued capital [member]
Preferrence Shares [Member]
USD ($)
|
Premiums Related to Share Capital [member]
USD ($)
|
Premiums Related to Share Capital [member]
EUR (€)
|
Premiums Related to Share Capital [member]
Subsequent Investment Agreement [Member]
USD ($)
|
Premiums Related to Share Capital [member]
Cellectis, Inc. [Member]
USD ($)
|
Currency Translation Adjustment [member]
USD ($)
|
Currency Translation Adjustment [member]
Calyxt Inc [Member]
USD ($)
|
Retained Earnings (Deficit) [member]
USD ($)
|
Retained Earnings (Deficit) [member]
Calyxt Inc [Member]
USD ($)
|
Income (loss) [member]
USD ($)
|
Attributable to Shareholders of Cellectis [member]
USD ($)
|
Attributable to Shareholders of Cellectis [member]
Subsequent Investment Agreement [Member]
USD ($)
|
Attributable to Shareholders of Cellectis [member]
Calyxt Inc [Member]
USD ($)
|
Attributable to Shareholders of Cellectis [member]
Cellectis, Inc. [Member]
USD ($)
|
Non controlling Interests [member]
USD ($)
|
Non controlling Interests [member]
Calyxt Inc [Member]
USD ($)
|
|||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Beginning balance at Dec. 31, 2022 | $ 125,941 | $ 2,955 | $ 583,122 | $ (28,605) | $ (333,365) | $ (106,139) | $ 117,968 | $ 7,973 | |||||||||||||||||||||||
| Beginning balance, shares at Dec. 31, 2022 | shares | 45,675,968 | ||||||||||||||||||||||||||||||
| Net income (loss) | (108,443) | (101,059) | (101,059) | (7,384) | |||||||||||||||||||||||||||
| Other comprehensive income (loss) | 1,994 | (73) | 597 | 524 | 1,470 | ||||||||||||||||||||||||||
| Total Comprehensive income (loss) | (106,449) | (73) | 597 | (101,059) | (100,535) | (5,914) | |||||||||||||||||||||||||
| Allocation of prior period loss | (106,139) | 106,139 | |||||||||||||||||||||||||||||
| Capital increase | 69,985 | $ 1,401 | $ 1,401 | 68,584 | 69,985 | ||||||||||||||||||||||||||
| Capital increase, Shares | shares | 25,907,800 | ||||||||||||||||||||||||||||||
| Transaction costs related to capital increase | $ (2,049) | (2,049) | $ (2,049) | $ (2,049) | |||||||||||||||||||||||||||
| Operation between shareholders | 343 | 343 | (343) | ||||||||||||||||||||||||||||
| Loss of control over Calyxt | $ (3,625) | $ (3,625) | |||||||||||||||||||||||||||||
| OCI Reclassification pursuant to Calyxt's deconsolidation | $ (8,022) | $ (8,012) | $ (10) | $ (8,022) | |||||||||||||||||||||||||||
| Exercise of share warrants, employee warrants, stock-options and free-shares vesting, amount | $ 9 | 9 | 9 | 9 | |||||||||||||||||||||||||||
| Exercise of share warrants, employee warrants, stock-options and free-shares vesting, shares | shares | 167,433 | 167,433 | |||||||||||||||||||||||||||||
| Non-cash stock-based compensation expense | $ 9,092 | 7,086 | 7,086 | 2,006 | |||||||||||||||||||||||||||
| Other movements | (187) | (133,958) | 133,868 | (90) | (97) | ||||||||||||||||||||||||||
| Balance at end of year at Dec. 31, 2023 | 84,695 | 4,365 | 522,785 | (36,690) | (304,707) | (101,059) | 84,695 | 0 | |||||||||||||||||||||||
| Ending balance, shares at Dec. 31, 2023 | shares | 71,751,201 | ||||||||||||||||||||||||||||||
| Net income (loss) | (36,761) | (36,761) | (36,761) | ||||||||||||||||||||||||||||
| Other comprehensive income (loss) | (2,811) | (2,848) | 37 | (2,811) | (0) | ||||||||||||||||||||||||||
| Total Comprehensive income (loss) | (39,572) | (2,848) | 37 | (36,761) | (39,572) | (0) | |||||||||||||||||||||||||
| Allocation of prior period loss | (112,911) | 11,852 | 101,059 | ||||||||||||||||||||||||||||
| Capital increase | 140,000 | 1,505 | $ 1,505 | 138,495 | 140,000 | ||||||||||||||||||||||||||
| Capital increase, Shares | shares | 28,000,000 | ||||||||||||||||||||||||||||||
| Transaction costs related to capital increase | (207) | (207) | (207) | ||||||||||||||||||||||||||||
| Derecognition of AZ SIA derivative | $ (56,970) | (56,970) | $ (56,970) | $ (56,970) | |||||||||||||||||||||||||||
| Exercise of share warrants, employee warrants, stock-options and free-shares vesting, amount | $ 0 | 19 | 19 | 9 | (27) | 0 | |||||||||||||||||||||||||
| Exercise of share warrants, employee warrants, stock-options and free-shares vesting, shares | shares | 342,672 | 342,672 | |||||||||||||||||||||||||||||
| Non-cash stock-based compensation expense | $ 3,167 | 3,167 | 3,167 | ||||||||||||||||||||||||||||
| Other movements | (79) | (79) | (79) | ||||||||||||||||||||||||||||
| Balance at end of year at Dec. 31, 2024 | 131,033 | 5,889 | 494,288 | (39,537) | (292,846) | (36,761) | 131,033 | 0 | |||||||||||||||||||||||
| Ending balance, shares at Dec. 31, 2024 | shares | 72,093,873 | 28,000,000 | |||||||||||||||||||||||||||||
| Net income (loss) | (67,593) | (67,593) | (67,593) | ||||||||||||||||||||||||||||
| Other comprehensive income (loss) | 6,307 | 6,221 | 86 | 6,307 | |||||||||||||||||||||||||||
| Total Comprehensive income (loss) | (61,286) | 6,221 | 86 | (67,593) | (61,286) | ||||||||||||||||||||||||||
| Allocation of prior period loss | (62,999) | [1] | € (58.2) | 26,239 | 36,761 | ||||||||||||||||||||||||||
| Exercise of share warrants, employee warrants, stock-options and free-shares vesting, amount | $ 33 | 14 | [2] | $ 14 | 36 | [2] | (16) | 33 | |||||||||||||||||||||||
| Exercise of share warrants, employee warrants, stock-options and free-shares vesting, shares | shares | 245,568 | [2] | 245,568 | ||||||||||||||||||||||||||||
| Non-cash stock-based compensation expense | $ 6,110 | 6,110 | 6,110 | ||||||||||||||||||||||||||||
| Other movements | 11 | 11 | 11 | ||||||||||||||||||||||||||||
| Balance at end of year at Dec. 31, 2025 | $ 75,901 | $ 5,903 | $ 437,445 | $ (33,316) | $ (266,538) | $ (67,593) | $ 75,901 | $ 0 | |||||||||||||||||||||||
| Ending balance, shares at Dec. 31, 2025 | shares | 72,339,441 | 28,000,000 | |||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||