XML 40 R27.htm IDEA: XBRL DOCUMENT v3.24.0.1
Note 3 - Trust Expenses (Details Textual) - USD ($)
12 Months Ended
Jan. 31, 2022
Dec. 31, 2023
Sponsor's Fee Annualized Accrual Rate Based on Daily Net Asset Value   0.50%
Maximum [Member]    
Legal Fees Per Year $ 500,000