BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) (USD $)	12 Months Ended
Jun. 30, 2012	Jun. 30, 2011
RESTRICTED TERM DEPOSITS	$ 3,445,000	$ 3,562,000
Accumulated retained earnings	2,687,000	5,791,000
Research and development	295	250
100 %owned Trio-Tech International Pte. Ltd
RESTRICTED TERM DEPOSITS	3,150	3,259
55% owned Malaysian subsidiary
RESTRICTED TERM DEPOSITS	295	303
100% owned Singapore subsidiary
RESTRICTED TERM DEPOSITS	150
100% owned Thailand subsidiary
RESTRICTED TERM DEPOSITS	100	199
Subsidiaries Member
Accumulated retained earnings	$ 7,474	$ 12,187

The cumulative amount of the reporting entity's undistributed earnings or deficit.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.31(a)(3))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 12

-Paragraph 10

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 31

-Article 5

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Name:	us-gaap_RetainedEarningsAccumulatedDeficit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant