Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information - USD ($)
12 Months Ended
Oct. 31, 2020
Jan. 28, 2021
Apr. 30, 2020
Cover [Abstract]      
Entity Registrant Name Coda Octopus Group, Inc.    
Entity Central Index Key 0001334325    
Document Type 10-K    
Document Period End Date Oct. 31, 2020    
Amendment Flag false    
Current Fiscal Year End Date --10-31    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Reporting Status Current Yes    
Entity Interactive Data Current No    
Entity Filer Category Non-accelerated Filer    
Entity Small Business Flag true    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Public Float     $ 27,325,000
Entity Common Stock, Shares Outstanding   10,751,881  
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2020