v3.26.1
Note 3 - Summary of Significant Accounting Policies - Effective Income tax Rate Reconciliation (Details)
6 Months Ended
Jun. 30, 2026
USD ($)
Tax Expense (Benefit) at Statutory Rates, rate 21.00%
7RCC Spot Bitcoin and Carbon Credit Futures ETF [Member]  
Tax Expense (Benefit) at Statutory Rates, amount $ (6,320)
Tax Expense (Benefit) at Statutory Rates, rate 21.00%
State Income Tax Expense (Net of Federal Benefit) - Vermont, amount $ (2,020)
State Income Tax Expense (Net of Federal Benefit) - Vermont, rate 6.71%
Change in Valuation Allowance, amount $ 10,918
Change in Valuation Allowance, rate (36.28%)
Total Tax Expense (Benefit), amount $ 2,578 [1]
Total Tax Expense (Benefit), rate (8.57%)
[1] The 7RCC Spot Bitcoin and Carbon Credit Futures ETF commenced operations on June 3, 2026.