Annual report pursuant to Section 13 and 15(d)

Document And Entity Information

Document And Entity Information - USD ($)
12 Months Ended
Oct. 31, 2019
Apr. 30, 2019
Jan. 10, 2019
Document Information [Line Items]      
Entity Registrant Name CONCRETE PUMPING HOLDINGS, INC.    
Entity Central Index Key 0001703956    
Trading Symbol bbcp    
Current Fiscal Year End Date --10-31    
Entity Filer Category Accelerated Filer    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Well-known Seasoned Issuer No    
Entity Emerging Growth Company true    
Entity Ex Transition Period false    
Entity Small Business true    
Entity Common Stock, Shares Outstanding (in shares)     58,259,482
Entity Public Float   $ 80,206,804  
Entity Shell Company false    
Document Type 10-K    
Document Period End Date Oct. 31, 2019    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY    
Amendment Flag false    
Title of 12(b) Security Common Stock, par value $0.0001 per share