v3.22.4
Significant accounting policies (Details Narrative)
6 Months Ended
Dec. 31, 2022
USD ($)
oz
shares
Jun. 30, 2022
USD ($)
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items]    
Fee paid to sponsor, annualized rate 0.50%  
Fees payable to sponsor, value $ 19,000 $ 20,000
Minimum block of shares issued redeemed | shares 50,000  
Transaction fee for creations and redemptions $ 500  
Trust unallocated account | oz 192  
Uncertain tax positions taken in tax returns $ 0  
Income tax examiation, description As of December 31, 2022, the 2022, 2021, 2020 and 2019 tax years remain open for examination.  
Sponsor [Member]    
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items]    
Fees payable to sponsor, value $ 19,040 $ 19,453