Document And Entity Information - shares	3 Months Ended
	Sep. 30, 2022	Nov. 01, 2022
Document Information [Line Items]
Entity Central Index Key	0000732026
Entity Registrant Name	TRIO-TECH INTERNATIONAL
Amendment Flag	false
Current Fiscal Year End Date	--06-30
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2022
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2022
Document Transition Report	false
Entity File Number	1-14523
Entity Incorporation, State or Country Code	CA
Entity Tax Identification Number	95-2086631
Entity Address, Address Line One	Block 1008
Entity Address, City or Town	Toa Payoh North
Entity Address, Country	SG
Entity Address, Postal Zip Code	318996
City Area Code	65
Local Phone Number	6265 3300
Title of 12(b) Security	Common Stock, no par value
Trading Symbol	TRT
Security Exchange Name	NYSEAMER
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		4,076,680