Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information - USD ($)
12 Months Ended
Oct. 31, 2018
Feb. 01, 2019
Apr. 30, 2018
Document And Entity Information      
Entity Registrant Name Coda Octopus Group, Inc.    
Entity Central Index Key 0001334325    
Document Type 10-K/A    
Document Period End Date Oct. 31, 2018    
Amendment Flag true    
Amendment Description This Amendment No. 1 to the Annual Report on Form 10-K for the year ended October 31, 2018 (the "Form 10-K"), is filed for the sole purpose of correcting a number of typographical errors, as follows: Item 7. Management's Discussion and Analysis of Financial Condition and Results Operations included in the Form 10-K. Specifically, the subsection entitled "Operating Activities" under "Liquidity and Financial Resources," showed three errors in the figures representing net cash generated from operating activities, and net income. Item 8. Financial Statements and Supplementary Data. The Consolidated Statements of Cash Flows for the Years Ended October 31, 2018 and 2017, under the line item "unbilled receivables" should have shown a negative figure of (289,944).Except as specifically amended herewith, the Form 10-K remains unchanged.    
Current Fiscal Year End Date --10-31    
Entity a Well-known Seasoned Issuer No    
Entity a Voluntary Filer No    
Entity's Reporting Status Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business Flag true    
Entity Emerging Growth Company false    
Entity Ex Transition Period false    
Entity Shell Company false    
Entity Public Float     $ 12,973,000
Entity Common Stock, Shares Outstanding   10,664,381  
Trading Symbol CODA    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2018