Annual report pursuant to Section 13 and 15(d)

Cover

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Cover - USD ($)
 12 Months Ended
May 31, 2024
Aug. 19, 2024
Nov. 30, 2023
Document Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Transition Report false    
Document Financial Statement Error Correction [Flag] false    
Entity Interactive Data Current Yes    
ICFR Auditor Attestation Flag false    
Amendment Flag false    
Document Period End Date May 31, 2024    
Document Fiscal Year Focus 2024    
Document Fiscal Period Focus FY    
Documents Incorporated by Reference [Text Block]

Certain information required by Part III of this Annual report on Form 10-K will be incorporated by reference from the Registrant's definitive proxy statement or included in an amendment on Form 10-K/A that will be filed not later than 120 days after the end of the fiscal year ended May 31, 2024.

    
Entity Information [Line Items]      
Entity Registrant Name CLS HOLDINGS USA, INC.    
Entity Central Index Key 0001522222    
Entity File Number 000-55546    
Entity Tax Identification Number 45-1352286    
Entity Incorporation, State or Country Code NV    
Current Fiscal Year End Date --05-31    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Shell Company false    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company false    
Entity Public Float     $ 2,102,269
Entity Contact Personnel [Line Items]      
Entity Address, Address Line One 516 S. 4th Street    
Entity Address, City or Town Las Vegas    
Entity Address, State or Province NV    
Entity Address, Postal Zip Code 89101    
Entity Phone Fax Numbers [Line Items]      
City Area Code 416    
Local Phone Number 922-4539    
Entity Listings [Line Items]      
Title of 12(g) Security Common Stock, par value $.0001    
Entity Common Stock, Shares Outstanding   124,500,873