Note 1 - Basis of Presentation and Summary of Significant Accounting Policies (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Mar. 31, 2023
Net Income (Loss) Available to Common Stockholders, Basic	$ 1,050	$ 1,544
Retained Earnings (Accumulated Deficit)	11,813	10,763
Research and Development Expense	392	397
Subsidiaries [Member]
Retained Earnings (Accumulated Deficit)	$ 22,528	$ 21,001
Minimum [Member]
Trade Accounts Receivable, Credit Term	30 days
Maximum [Member]
Trade Accounts Receivable, Credit Term	90 days
Trio-Tech (Tianjin) Co., Ltd, [Member]
Subsidiary, Ownership Percentage, Parent			100.00%