Cover - USD ($)	12 Months Ended
	Jan. 29, 2022	Apr. 22, 2022	Jul. 31, 2021
Cover [Abstract]
Entity Registrant Name	DAVIDsTEA Inc.
Entity Central Index Key	0001627606
Document Type	10-K
Amendment Flag	false
Entity Voluntary Filers	No
Current Fiscal Year End Date	--01-29
Entity Well Known Seasoned Issuer	No
Entity Small Business	false
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity Current Reporting Status	Yes
Document Period End Date	Jan. 29, 2022
Entity Filer Category	Non-accelerated Filer
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2022
Entity Common Stock Shares Outstanding		26,427,929
Entity Public Float			$ 13,200,483
Document Annual Report	true
Document Transition Report	false
Entity File Number	001-37404
Entity Incorporation State Country Code	Z4
Entity Tax Identification Number	98-1048842
Entity Interactive Data Current	Yes
Icfr Auditor Attestation Flag	false
Entity Address Address Line 1	5430 Ferrier
Entity Address Address Line 2	Mount-Royal
Entity Address City Or Town	Québec
Entity Address Country	CA
Entity Address Postal Zip Code	H4P 1M2
City Area Code	888
Local Phone Number	873-0006
Security 12b Title	Common shares, no par value per share
Security Exchange Name	NASDAQ
Trading Symbol	DTEA
Auditor Name	Ernst & Young LLP
Auditor Location	Montréal, Canada
Auditor Firm Id	1263