v3.25.4
Expense Example
Mar. 09, 2026
USD ($)
Nicholas Bitcoin and Treasuries AfterDark ETF [Member]  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 99
Expense Example, with Redemption, 3 Years 309
Nicholas Bitcoin Tail ETF [Member]  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 99
Expense Example, with Redemption, 3 Years $ 309