| Cover | Oct. 29, 2022 |
| Cover [Abstract] | |
| Entity Registrant Name | DAVIDsTEA Inc. |
| Entity Central Index Key | 0001627606 |
| Document Type | 8-K |
| Amendment Flag | false |
| Entity Emerging Growth Company | false |
| Document Period End Date | Oct. 29, 2022 |
| Entity Incorporation State Country Code | Z4 |
| Entity Tax Identification Number | 98-1048842 |
| Entity File Number | 001-37404 |
| Entity Address Address Line 1 | 5430 Ferrier |
| Entity Address Address Line 2 | Town of 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 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Common shares, no par value per share |
| Trading Symbol | DTEA |
| Security Exchange Name | NASDAQ |
