Document and Entity Information
| Document and Entity Information | May 02, 2023 |
| Cover [Abstract] | |
| Amendment Flag | true |
| Entity Central Index Key | 0001705843 |
| Document Type | 8-K/A |
| Document Period End Date | May 02, 2023 |
| Entity Registrant Name | Calyxt, Inc. |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-38161 |
| Entity Tax Identification Number | 27-1967997 |
| Entity Address, Address Line One | 2800 Mount Ridge Road |
| Entity Address, City or Town | Roseville |
| Entity Address, State or Province | MN |
| Entity Address, Postal Zip Code | 55113-1127 |
| City Area Code | (651) |
| Local Phone Number | 683-2807 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Common Stock, par value $0.0001 per share |
| Trading Symbol | CLXT |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
| Amendment Description | This Current Report on Form 8-K/A (this “Amendment”) is being filed to amend the Current Report on Form 8-K filed by Calyxt, Inc. (the “Company”) with the Securities and Exchange Commission on May 5, 2023 (the “Original Form 8-K”). The sole purpose of this Amendment is to disclose the Company’s decision regarding how frequently it will conduct future stockholder advisory votes to approve the compensation of its named executive officers (commonly referred to as a “Say-on-Pay” advisory vote). This Amendment does not amend, modify, or supplement the Original Form 8-K in any other respect. |