| Document And Entity Information | Oct. 02, 2023 |
| Document Information [Line Items] | |
| Entity, Registrant Name | Tilray Brands, Inc. |
| Document, Type | 8-K |
| Document, Period End Date | Oct. 02, 2023 |
| Entity, Incorporation, State or Country Code | DE |
| Entity, File Number | 001-38594 |
| Entity, Tax Identification Number | 82-4310622 |
| Entity, Address, Address Line One | 265 Talbot Street West |
| Entity, Address, City or Town | Leamington |
| Entity, Address, State or Province | ON |
| Entity, Address, Postal Zip Code | N8H 5L4 |
| City Area Code | 844 |
| Local Phone Number | 845-7291 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock |
| Trading Symbol | TLRY |
| Security Exchange Name | NASDAQ |
| Entity, Emerging Growth Company | false |
| Amendment Flag | false |
| Entity, Central Index Key | 0001731348 |
