1. BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2018	Jun. 30, 2017
Net Income Attributable to Trio-Tech International Common Shareholders	$ 1,184	$ 1,316
Earnings retained in subsidiaries	12,392	10,126
Research and development costs	451	208
55% owned Malaysian subsidiary
Restricted term deposits	227	207
Short-term deposits	548	687
Trio-Tech Thailand
Short-term deposits	105	100
Trio-Tech International [Member]
Restricted term deposits	$ 1,468	$ 1,450

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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