Document and Entity Information - USD ($)	12 Months Ended
	Jun. 30, 2016	Sep. 01, 2016	Dec. 31, 2015
Document And Entity Information
Entity Registrant Name	TRIO-TECH INTERNATIONAL
Entity Central Index Key	0000732026
Document Type	10-K
Document Period End Date	Jun. 30, 2016
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			$ 5,570,000
Entity Common Stock, Shares Outstanding		3,513,055
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2016