EARNINGS PER SHARE (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	6 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
Notes to Financial Statements
(Loss) / income attributable to Trio-Tech International common shareholders from continuing operations, net of tax	$ 97	$ (348)	$ (41)	$ (342)
Income / (loss) attributable to Trio-Tech International common shareholders from discontinued operations, net of tax	(3)	(17)	11	(40)
Net (loss) / income attributable to Trio-Tech International common shareholders	$ 94us-gaap_NetIncomeLoss	$ (365)us-gaap_NetIncomeLoss	$ (30)us-gaap_NetIncomeLoss	$ (382)us-gaap_NetIncomeLoss
Basic and diluted (loss) /earnings per share from continuing operations attributable to Trio-Tech International	$ 0.03	$ (0.10)	$ (0.01)	$ (0.10)
Basic and diluted loss per share from discontinued operations attributable to Trio-Tech International				$ (0.01)
Basic and diluted (loss) / earnings per share from net (loss) / income attributable to Trio-Tech International	$ 0.03us-gaap_EarningsPerShareBasic	$ (0.10)us-gaap_EarningsPerShareBasic	$ (0.01)us-gaap_EarningsPerShareBasic	$ (0.11)us-gaap_EarningsPerShareBasic
Weighted average number of common shares outstanding - basic	3,513	3,508	3,513	3,508
Dilutive effect of stock options
Number of shares used to compute earnings per share - diluted	3,513	3,508	3,513	3,508

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