Annual report pursuant to Section 13 and 15(d)


Cover - USD ($)
12 Months Ended
Aug. 31, 2020
Nov. 06, 2020
Feb. 28, 2019
Cover [Abstract]      
Document Type 10-K/A    
Document Annual Report true    
Document Period End Date Aug. 31, 2020    
Document Transition Report false    
Entity File Number 000-55418    
Entity Registrant Name KUSHCO HOLDINGS, INC.    
Entity Incorporation, State or Country Code NV    
Entity Tax Identification Number 46-5268202    
Entity Address, Address Line One 6261 Katella Avenue    
Entity Address, Address Line Two Suite 250    
Entity Address, City or Town Cypress    
Entity Address, State or Province CA    
Entity Address, Postal Zip Code 90630    
City Area Code 714    
Local Phone Number 462-4603    
Title of 12(g) Security Common Stock, par value $0.001 per share    
No Trading Symbol Flag true    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status No    
Entity Interactive Data Current Yes    
Entity Filer Category Accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company true    
Entity Ex Transition Period true    
Entity Shell Company false    
Entity Public Float     $ 106,251,554
Entity Common Stock, Shares Outstanding   127,274,667  
Entity Central Index Key 0001604627    
Current Fiscal Year End Date --08-31    
Amendment Flag false    
Document Fiscal Year Focus 2020    
Document Fiscal Period Focus FY