General form of registration statement for all companies including face-amount certificate companies

Document And Entity Information

Document And Entity Information - shares
3 Months Ended
Aug. 31, 2016
Oct. 14, 2016
Document and Entity Information [Abstract]    
Entity Registrant Name CLS HOLDINGS USA, INC.  
Document Type S-1  
Current Fiscal Year End Date --05-31  
Entity Common Stock, Shares Outstanding   20,350,003
Amendment Flag false  
Entity Central Index Key 0001522222  
Entity Current Reporting Status Yes  
Entity Voluntary Filers No  
Entity Filer Category Smaller Reporting Company  
Entity Well-known Seasoned Issuer No  
Document Period End Date Aug. 31, 2016  
Document Fiscal Year Focus 2017  
Document Fiscal Period Focus Q1