EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015
Notes to Financial Statements
Income / (loss) attributable to Trio-Tech International common shareholders from continuing operations, net of tax	$ 155	$ 207	$ 607	$ 166
Income / (loss) attributable to Trio-Tech International common shareholders from discontinued operations, net of tax	(5)	(8)	(78)	3
Net income / (loss) attributable to Trio-Tech International common shareholders	$ 150	$ 199	$ 599	$ 169
Basic and diluted earnings / (loss) per share from continuing operations attributable to Trio-Tech International	$ .04	$ .06	$ .17	$ .05
Basic and diluted earnings per share from discontinued operations attributable to Trio-Tech International
Basic and diluted earnings / (Loss) per share from Net Income / (Loss) attributable to Trio-Tech International	$ .04	$ .06	$ .17	$ .05
Weighted average number of common shares outstanding - basic	3,563	3,513	3,563	3,513
Dilutive effect of stock options	13	16	12	41
Number of shares used to compute earnings per share - diluted	3,576	3,529	3,575	3,554