EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Notes to Financial Statements
Income / (loss) attributable to Trio-Tech International common shareholders from continuing operations, net of tax	$ 188	$ 97	$ 452	$ (41)
Income / (loss) attributable to Trio-Tech International common shareholders from discontinued operations, net of tax	2	(3)	(3)	11
Net income / (loss) attributable to Trio-Tech International common shareholders	$ 190	$ 94	$ 449	$ (30)
Basic and diluted earnings / (loss) per share from continuing operations attributable to Trio-Tech International	$ .05	$ .03	$ .13	$ (.01)
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	$ .05	$ .03	$ .13	$ (.01)
Weighted average number of common shares outstanding - basic	3,513	3,513	3,513	3,513
Dilutive effect of stock options	16		12
Number of shares used to compute earnings per share - diluted	3,529	3,513	3,525	3,513