Note 23 - Earnings Per Share - Computation of Basic and Diluted EPS (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Income attributable to Trio-Tech International common shareholders from continuing operations, net of tax	$ 1,054	$ 1,545
Loss attributable to Trio-Tech International common shareholders from discontinued operations, net of tax	(4)	(1)
Net income attributable to Trio-Tech International Common Shareholders	$ 1,050	$ 1,544
Basic (in shares)	4,160	4,082
Dilutive effect of stock options (in shares)	139	83
Number of shares used to compute earnings per share - diluted (in shares)	4,299	4,165
Basic earnings per share from continuing operations attributable to Trio-Tech International (in dollars per share)	$ 0.25	$ 0.38
Basic earnings per share from discontinued operations attributable to Trio-Tech International (in dollars per share)	0	0
Basic earnings per share from net income attributable to Trio-Tech International (in dollars per share)	0.25	0.38
Diluted earnings per share from continuing operations attributable to Trio-Tech International (in dollars per share)	0.24	0.37
Diluted earnings per share from discontinued operations attributable to Trio-Tech International (in dollars per share)	0	0
Diluted earnings per share from net income attributable to Trio-Tech International (in dollars per share)	$ 0.24	$ 0.37