v3.19.3.a.u2
Document and Entity Information - shares
9 Months Ended
Nov. 02, 2019
Dec. 20, 2019
Document And Entity Information    
Entity Registrant Name DAVIDsTEA Inc.  
Entity Central Index Key 0001627606  
Document Type 10-Q  
Document Period End Date Nov. 02, 2019  
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus Q3  
Amendment Flag false  
Current Fiscal Year End Date --02-02  
Entity Current Reporting Status Yes  
Entity Filer Category Non-accelerated Filer  
Entity Common Stock, Shares Outstanding   26,079,662
Entity Small Business false  
Entity Emerging Growth Company true  
Entity Ex Transition Period true  
Entity File Number 001-37404