XML 20 R1.htm IDEA: XBRL DOCUMENT v2.4.1.9
Document and Entity Information (USD $)
 9 Months Ended
Feb. 28, 2015
Apr. 14, 2015
Document And Entity Information    
Entity Registrant Name Taylor Devices Inc  
Entity Central Index Key 0000096536  
Document Type 10-Q  
Document Period End Date Feb. 28, 2015  
Amendment Flag false  
Current Fiscal Year End Date --05-31  
Is Entity a Well-known Seasoned Issuer? No  
Is Entity a Voluntary Filer? No  
Is Entity's Reporting Status Current? Yes  
Entity Filer Category Smaller Reporting Company  
Entity Public Float   $ 40,400,000dei_EntityPublicFloat
Entity Common Stock, Shares Outstanding   3,356,254dei_EntityCommonStockSharesOutstanding
Document Fiscal Period Focus Q3  
Document Fiscal Year Focus 2015