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Note 1 - Organization - Schedule of Subsidiaries (Details)
Jun. 30, 2025
Santech Global BVI Limited [Member]  
​Percentage of ownership 100.00%
Santech Global International Limited [Member]  
​Percentage of ownership 100.00%
Santech Global Hong Kong Limited [Member]  
​Percentage of ownership 100.00%
Santech Global USA Inc [Member]  
​Percentage of ownership 100.00%