Quarterly report pursuant to Section 13 or 15(d)


Cover - shares
6 Months Ended
May 31, 2020
Jul. 17, 2020
Document and Entity Information [Abstract]    
Entity Registrant Name Byrna Technologies Inc.  
Entity Central Index Key 0001354866  
Document Type 10-Q  
Amendment Flag false  
Document Period End Date May 31, 2020  
Entity File Number 333-132456  
Entity Incorporation, State or Country Code DE  
Current Fiscal Year End Date --11-30  
Entity Filer Category Non-accelerated Filer  
Entity Common Stock, Shares Outstanding   136,089,074
Entity Current Reporting Status No  
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus Q2  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Interactive Data Current Yes