Capital - Additional Information (Detail) $ / shares in Units, $ in Thousands, € in Millions |
1 Months Ended | 12 Months Ended | |||||||||||||||||||
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May 03, 2024
USD ($)
$ / shares
shares
|
Nov. 14, 2023 |
Nov. 06, 2023
USD ($)
$ / shares
shares
|
Nov. 01, 2023
USD ($)
shares
|
Jun. 27, 2023
USD ($)
|
Jun. 01, 2023 |
May 31, 2023 |
Jun. 30, 2023 |
Dec. 31, 2025
USD ($)
shares
|
Dec. 31, 2025
EUR (€)
shares
|
Dec. 31, 2024
USD ($)
shares
|
Dec. 31, 2023
USD ($)
shares
|
Dec. 31, 2023
EUR (€)
shares
|
Dec. 31, 2022
USD ($)
shares
|
Sep. 30, 2024
shares
|
May 28, 2024
shares
|
May 12, 2024
shares
|
Mar. 05, 2024
shares
|
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| Disclosure of classes of share capital [line items] | |||||||||||||||||||||
| Number of shares issued | 16,000,000 | 238 | 135,980 | 2,120 | 204,334 | ||||||||||||||||
| Number of Free shares Vested | 342,672 | ||||||||||||||||||||
| Conversion ratio | 1 share to 1.06 | 1 share to 1.06 | |||||||||||||||||||
| Exercise stock option | $ | $ 80,000 | ||||||||||||||||||||
| Voting right description | At December 31, 2025, we had 100,339,441 shares outstanding of which 10,000,000 were Class A Preferred shares with a single voting right, 18,000,000 were Class B Preferred shares with no voting rights, and 23,236,915 were ordinary shares with a double voting right. As a result, as of December 31, 2025 total voting rights amounted to 105,576,356. | At December 31, 2025, we had 100,339,441 shares outstanding of which 10,000,000 were Class A Preferred shares with a single voting right, 18,000,000 were Class B Preferred shares with no voting rights, and 23,236,915 were ordinary shares with a double voting right. As a result, as of December 31, 2025 total voting rights amounted to 105,576,356. | At December 31, 2024, we had 100,093,873 shares outstanding of which 10,000,000 were Class A Preferred shares with a single voting rights, 18 000 000 were Class B Preferred shares with no voting rights, and 6,566,666 were ordinary shares with a double voting right. As a result, as of December 31, 2024 total voting rights amounted to 88,660,539. | At December 31, 2023, we had 71,751,201 ordinary shares outstanding of which 5,935,517 had a double voting right, and no preferred shares. As a result, as of December 31, 2023 total voting rights amounted to 77,686,718. | At December 31, 2023, we had 71,751,201 ordinary shares outstanding of which 5,935,517 had a double voting right, and no preferred shares. As a result, as of December 31, 2023 total voting rights amounted to 77,686,718. | ||||||||||||||||
| Non voting rights period | 74 years | 74 years | |||||||||||||||||||
| Number of shares ordinary outstanding | 100,339,441 | 100,339,441 | 100,093,873 | 71,751,201 | 71,751,201 | 45,675,968 | |||||||||||||||
| Number of shares with double voting rights | 23,236,915 | 23,236,915 | 6,566,666 | 5,935,517 | 5,935,517 | ||||||||||||||||
| Number of voting rights | 105,576,356 | 105,576,356 | 88,660,539 | 77,686,718 | 77,686,718 | ||||||||||||||||
| Voting rights | 21.00% | ||||||||||||||||||||
| Ownership interest | 22.00% | ||||||||||||||||||||
| Issuance price per share | $ / shares | $ 5 | ||||||||||||||||||||
| Ownership interest in subsidiary | 100.00% | 100.00% | |||||||||||||||||||
| Share issuance related cost | $ | $ 207 | ||||||||||||||||||||
| Proceeds from sale of ordinary shares | $ | $ 44,900 | $ 35,700 | |||||||||||||||||||
| Share premium [member] | |||||||||||||||||||||
| Disclosure of classes of share capital [line items] | |||||||||||||||||||||
| Allocation of prior period loss | $ (62,999) | [1] | € (58.2) | (112,911) | |||||||||||||||||
| Share issuance related cost | $ | 207 | $ 2,049 | $ 600 | ||||||||||||||||||
| Proceeds from sale of ordinary shares | $ | 44,000 | ||||||||||||||||||||
| Increase (decrease) through transfer between retained earnings into share premium | $ | $ 134,000 | ||||||||||||||||||||
| Follow on Offering Member | |||||||||||||||||||||
| Disclosure of classes of share capital [line items] | |||||||||||||||||||||
| Number of shares issued | 9,907,800 | 9,907,800 | |||||||||||||||||||
| Exercise stock option | $ | $ 24,800 | ||||||||||||||||||||
| Retained Earnings (Deficit) [member] | |||||||||||||||||||||
| Disclosure of classes of share capital [line items] | |||||||||||||||||||||
| Allocation of prior period loss | $ | $ 26,239 | $ 11,852 | $ (106,139) | ||||||||||||||||||
| Share capital [member] | |||||||||||||||||||||
| Disclosure of classes of share capital [line items] | |||||||||||||||||||||
| Proceeds from sale of ordinary shares | $ | $ 900 | ||||||||||||||||||||
| Class A Preferred shares with single voting rights [Member] | |||||||||||||||||||||
| Disclosure of classes of share capital [line items] | |||||||||||||||||||||
| Number of shares ordinary outstanding | 10,000,000 | 10,000,000 | 10,000,000 | ||||||||||||||||||
| Class B Preferered shares with no voting rights [Member] | |||||||||||||||||||||
| Disclosure of classes of share capital [line items] | |||||||||||||||||||||
| Number of shares ordinary outstanding | 18,000,000 | 18,000,000 | 18,000,000 | ||||||||||||||||||
| Subsequent Investment Agreement (SIA) [Member] | |||||||||||||||||||||
| Disclosure of classes of share capital [line items] | |||||||||||||||||||||
| Number of shares issued | 28,000,000 | ||||||||||||||||||||
| Equity investment | $ | $ 140,000 | ||||||||||||||||||||
| Conversion ratio | one-for-one basis | ||||||||||||||||||||
| Issuance price per share | $ / shares | $ 5 | ||||||||||||||||||||
| Subsequent Investment Agreement (SIA) [Member] | "Class A" Convertible Preferred Shares [Member] | |||||||||||||||||||||
| Disclosure of classes of share capital [line items] | |||||||||||||||||||||
| Number of shares issued | 10,000,000 | ||||||||||||||||||||
| Subsequent Investment Agreement (SIA) [Member] | Class B" Convertible Preferred Shares [Member] | |||||||||||||||||||||
| Disclosure of classes of share capital [line items] | |||||||||||||||||||||
| Issuance price per share | $ / shares | $ 5 | ||||||||||||||||||||
| AstraZeneca [member] | |||||||||||||||||||||
| Disclosure of classes of share capital [line items] | |||||||||||||||||||||
| Ownership interest | 22.00% | ||||||||||||||||||||
| Proceeds from sale of ordinary shares | $ | $ 80,000 | ||||||||||||||||||||
| AstraZeneca [member] | Share premium [member] | |||||||||||||||||||||
| Disclosure of classes of share capital [line items] | |||||||||||||||||||||
| Share issuance related cost | € | € 0.6 | ||||||||||||||||||||
| Calyxt Inc. [Member] | |||||||||||||||||||||
| Disclosure of classes of share capital [line items] | |||||||||||||||||||||
| Non-controlling shareholders interest | 52.00% | ||||||||||||||||||||
| Ownership interest in subsidiary | 2.90% | ||||||||||||||||||||
| Common Stock [Member] | |||||||||||||||||||||
| Disclosure of classes of share capital [line items] | |||||||||||||||||||||
| Number of shares issued | 72,339,441 | 72,339,441 | 72,093,873 | 71,751,201 | 71,751,201 | 45,675,968 | |||||||||||||||
| Number of shares ordinary outstanding | 71,751,201 | 71,751,201 | |||||||||||||||||||
| Common Stock [Member] | AstraZeneca [member] | |||||||||||||||||||||
| Disclosure of classes of share capital [line items] | |||||||||||||||||||||
| Number of shares issued | 16,000,000 | ||||||||||||||||||||
| Preferrence Shares [Member] | |||||||||||||||||||||
| Disclosure of classes of share capital [line items] | |||||||||||||||||||||
| Number of shares issued | 28,000,000 | 28,000,000 | 28,000,000 | ||||||||||||||||||
| Conversion ratio | Both classes of preferred shares benefit from a liquidation preference and are convertible into ordinary shares with the same rights as the outstanding ordinary shares on a one-for-one basis. | ||||||||||||||||||||
| Number of shares ordinary outstanding | 0 | 0 | |||||||||||||||||||
| Capital Evolution 2023 [Member] | Share premium [member] | |||||||||||||||||||||
| Disclosure of classes of share capital [line items] | |||||||||||||||||||||
| Share issuance related cost | $ | $ 1,400 | ||||||||||||||||||||
| Capital Evolution 2024 [Member] | Subsequent Investment Agreement (SIA) [Member] | Class B" Convertible Preferred Shares [Member] | |||||||||||||||||||||
| Disclosure of classes of share capital [line items] | |||||||||||||||||||||
| Number of shares issued | 18,000,000 | ||||||||||||||||||||
| Capital Evolution 2025 [Member] | |||||||||||||||||||||
| Disclosure of classes of share capital [line items] | |||||||||||||||||||||
| Shares issued to the benefit of employees related free share plans | 245,568 | 245,568 | |||||||||||||||||||
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