XML 11 R1.htm IDEA: XBRL DOCUMENT v3.21.2
Cover - shares
 6 Months Ended
May 31, 2021
Jun. 29, 2021
Document and Entity Information [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date May 31, 2021  
Entity File Number 333-132456  
Entity Incorporation, State or Country Code DE  
Entity Registrant Name Byrna Technologies Inc.  
Entity Central Index Key 0001354866  
Current Fiscal Year End Date --11-30  
Entity Filer Category Non-accelerated Filer  
Entity Common Stock, Shares Outstanding   20,693,521
Entity Current Reporting Status No  
Document Fiscal Year Focus 2021  
Document Fiscal Period Focus Q2  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Interactive Data Current Yes