v3.26.3
Expense Example - Guinness Atkinson(TM) K-Beauty ETF - Guinness Atkinson(TM) K-Beauty ETF
Oct. 28, 2026
USD ($)
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 56
Expense Example, with Redemption, 3 Years $ 176