Document and Entity Information (USD $)	9 Months Ended
	Mar. 31, 2012	May 09, 2012
Document And Entity Information
Entity Registrant Name	TRIO TECH INTERNATIONAL
Entity Central Index Key	0000732026
Document Type	10-Q
Document Period End Date	Mar. 31, 2012
Amendment Flag	false
Current Fiscal Year End Date	--06-30
Is Entity a Well-known Seasoned Issuer?	No
Is Entity a Voluntary Filer?	No
Is Entity's Reporting Status Current?	Yes
Entity Filer Category	Smaller Reporting Company
Entity Public Float		$ 6,411,460
Entity Common Stock, Shares Outstanding		3,321,555
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2012