Document And Entity Information - shares	6 Months Ended
	Nov. 30, 2022	Jan. 05, 2023
Document Information [Line Items]
Entity Central Index Key	0001731348
Entity Registrant Name	Tilray Brands, Inc.
Amendment Flag	false
Current Fiscal Year End Date	--05-31
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2022
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Nov. 30, 2022
Document Transition Report	false
Entity File Number	001-38594
Entity Incorporation, State or Country Code	DE
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
Title of 12(b) Security	Class 2 Common Stock, $0.0001 par value per share
Trading Symbol	TLRY
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		615,494,626