Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information - USD ($)
12 Months Ended
Dec. 31, 2020
Mar. 04, 2021
Jun. 30, 2020
Cover [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2020    
Document Fiscal Year Focus 2020    
Document Fiscal Period Focus FY    
Trading Symbol CLXT    
Entity Registrant Name Calyxt, Inc.    
Entity Central Index Key 0001705843    
Current Fiscal Year End Date --12-31    
Entity Filer Category Non-accelerated Filer    
Entity Well-known Seasoned Issuer No    
Entity Small Business false    
Entity Emerging Growth Company true    
Entity Ex Transition Period false    
Entity Common Stock, Shares Outstanding   37,155,887  
Entity Public Float     $ 49,811,803
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
ICFR Auditor Attestation Flag false    
Entity Shell Company false    
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    
Entity Interactive Data Current Yes    
Title of 12(b) Security Common Stock ($(0.0001 par value)    
Security Exchange Name NASDAQ    
Entity Incorporation, State or Country Code DE    
Document Annual Report true    
Document Transition Report false    
Documents Incorporated by Reference


The information required by Part III of this Annual Report on Form 10-K, to the extent not set forth herein, is incorporated herein by reference from the registrant’s definitive proxy statement relating to the registrant’s Annual Meeting of Stockholders to be held in 2021, which definitive proxy statement shall be filed with the Securities and Exchange Commission not later than 120 days after the end of the fiscal year covered by this Annual Report on Form 10-K.