1. BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2017	Jun. 30, 2016
Net Income Attributable to Trio-Tech International Common Shareholders	$ 1,316	$ 779
Short-term deposits	787	295
Earnings retained in subsidiaries	10,126	8,843
Research and development costs	208	200
55% owned Malaysian subsidiary
Restricted term deposits	207	214
Short-term deposits	687	199
Trio-Tech Thailand
Short-term deposits	100	96
Trio-Tech International [Member]
Restricted term deposits	$ 1,450	$ 1,853

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

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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The amount of retained earnings as of the balance sheet date in excess of statutory unassigned surplus on which no income tax provisions have been made.

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