Document and Entity Information
6 Months Ended
Feb. 28, 2014
Apr. 08, 2014
Document and Entity Information    
Entity Registrant Name BSD MEDICAL CORP  
Document Type 10-Q  
Document Period End Date Feb. 28, 2014  
Amendment Flag false  
Entity Central Index Key 0000320174  
Current Fiscal Year End Date --08-31  
Entity Common Stock, Shares Outstanding   33,981,871
Entity Filer Category Non-accelerated Filer  
Entity Current Reporting Status Yes  
Entity Voluntary Filers No  
Entity Well-known Seasoned Issuer No  
Document Fiscal Year Focus 2014  
Document Fiscal Period Focus Q2