Note 26 - Noncontrolling Interest (Details Textual)	Jun. 30, 2023
Trio-Tech (Malaysia) Sdn. Bhd.[Member]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	45.00%
PT SHI Indonesia [Member]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	48.00%
Prestal Enterprise Sdn. Bhd. [Member]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	24.00%
Trio-tech (Jiangsu) Co. Ltd. [Member]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	49.00%
Trio-Tech (Kuala Lumpur) Sdn. Bhd. [Member]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	45.00%
SHI International Pte. Ltd. (Dormant) [Member]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	45.00%