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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%

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