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Note 1 - Organization (Details Textual)
3 Months Ended 5 Months Ended 34 Months Ended
Dec. 31, 2024
Feb. 22, 2022
Dec. 31, 2024
Trust Formation Date Aug. 27, 2014    
Number of Established Operational Series 1    
Sponsor fee 0.10% 0.18% 0.10%
SPDR Gold Mini Shares Trust [Member]      
Trust Formation Date Aug. 27, 2014    
Number of Established Operational Series 1    
Sponsor fee 0.10% 0.18% 0.10%