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Note 1 - Organization and Basis of Presentation (Tables) | 3 Months Ended
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Sep. 30, 2025
Notes Tables |
Schedule of Subsidiary of Limited Liability Company or Limited Partnership, Description [Table Text Block] |
|  | Ownership |  | Location
Express Test Corporation (Dormant) |  |  | 100 | % | Van Nuys, California
Trio-Tech Reliability Services (Dormant) |  |  | 100 | % | Van Nuys, California
KTS Incorporated, dba Universal Systems (Dormant) |  |  | 100 | % | Van Nuys, California
European Electronic Test Centre (Dormant) |  |  | 100 | % | Cayman Islands
Trio-Tech International Pte. Ltd. |  |  | 100 | % | Singapore
Universal (Far East) Pte. Ltd.* |  |  | 100 | % | Singapore
Trio-Tech International (Thailand) Co. Ltd. * |  |  | 100 | % | Bangkok, Thailand
Trio-Tech (Bangkok) Co. Ltd. * |  |  | 100 | % | Bangkok, Thailand
Trio-Tech (Malaysia) Sdn. Bhd. (55% owned by Trio-Tech International Pte. Ltd.) |  |  | 55 | % | Penang and Selangor, Malaysia
Prestal Enterprise Sdn. Bhd. (76% owned by Trio-Tech International Pte. Ltd.) |  |  | 76 | % | Selangor, Malaysia
Trio-Tech (SIP) Co., Ltd. * |  |  | 100 | % | Suzhou, China
Trio-Tech (Chongqing) Co. Ltd. * |  |  | 100 | % | Chongqing, China
SHI International Pte. Ltd. (Dormant) (55% owned by Trio-Tech International Pte. Ltd) |  |  | 55 | % | Singapore
PT SHI Indonesia (Dormant) (95% owned by SHI International Pte. Ltd.) |  |  | 52 | % | Batam, Indonesia
Trio-Tech (Tianjin) Co., Ltd. * |  |  | 100 | % | Tianjin, China
Trio-Tech (Jiangsu) Co., Ltd. (100% owned by Trio-Tech (SIP) Co., Ltd.) |  |  | 100 | % | Suzhou, China

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- Definition Tabular disclosure of the key aspects of a subsidiary (partnership, corporation, or other entity) of the limited liability company or limited partnership. + References No definition available. + Details
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