Investment Objectives and Goals |
Apr. 30, 2026 |
|---|---|
| Gabelli Growth Innovators ETF | |
| Prospectus [Line Items] | |
| Risk/Return [Heading] | Gabelli Growth Innovators Etf (the “Growth Innovators Fund” or the “Fund”) |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | The Fund’s primary investment objective is to seek to provide capital appreciation. |
| Gabelli Love Our Planet & People ETF | |
| Prospectus [Line Items] | |
| Risk/Return [Heading] | Gabelli Love Our Planet & People ETF (the “Love Our Planet Fund” or the “Fund”) |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | The Fund’s investment objective is capital appreciation. |
| Gabelli Global Technology Leaders ETF | |
| Prospectus [Line Items] | |
| Risk/Return [Heading] | Gabelli Global Technology Leaders ETF (formerly, Gabelli Automation ETF) (the “Global Technology Leaders Fund” or the “Fund”) |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | The Fund seeks high total return consistent with capital preservation, comprised primarily of current income and secondarily of capital appreciation. |
| Gabelli Commercial Aerospace and Defense ETF | |
| Prospectus [Line Items] | |
| Risk/Return [Heading] | Gabelli Commercial Aerospace and Defense ETF (the “Aerospace and Defense Fund” or the “Fund”) |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | The Fund seeks a high level of total return on its assets with an emphasis on income. |
| Gabelli Financial Services Opportunities ETF | |
| Prospectus [Line Items] | |
| Risk/Return [Heading] | Gabelli Financial Services Opportunities ETF (the “Financial Services Fund” or the “Fund”) |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | The Fund seeks to provide capital appreciation. |
| Gabelli High Income ETF | |
| Prospectus [Line Items] | |
| Risk/Return [Heading] | Gabelli High Income ETF (the “High Income Fund” or the “Fund”) |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | The Fund seeks high total return, comprised primarily of current income and secondarily of capital appreciation. |
| Keeley Dividend ETF | |
| Prospectus [Line Items] | |
| Risk/Return [Heading] | Keeley Dividend ETF (the “Dividend Fund” or the “Fund”) |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | The Fund seeks capital appreciation and current income. |
| Gabelli Opportunities in Live and Sports ETF | |
| Prospectus [Line Items] | |
| Risk/Return [Heading] | Gabelli Opportunities in Live and Sports ETF (the “Sports Fund” or the “Fund”) |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | The Fund seeks to provide capital appreciation. |
| Gabelli Equity Income ETF | |
| Prospectus [Line Items] | |
| Risk/Return [Heading] | Gabelli Equity Income ETF (the “Equity Income Fund” or the “Fund”) |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | The Fund seeks to provide high level of total return on its assets with an emphasis on income. |
| Gabelli Small & Mid Cap ETF | |
| Prospectus [Line Items] | |
| Risk/Return [Heading] | Gabelli Small & Mid Cap ETF (the “Small & Mid Cap Fund” or the “Fund”) |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | The Fund seeks long-term capital growth. |
| Gabelli Micro Cap ETF | |
| Prospectus [Line Items] | |
| Risk/Return [Heading] | Gabelli Micro Cap ETF (the “Micro Cap Fund” or the “Fund”) |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | The Fund primarily seeks to provide investors with long-term capital appreciation. |
| Gabelli Green Energy ETF | |
| Prospectus [Line Items] | |
| Risk/Return [Heading] | Gabelli Green Energy ETF (the “Green Fund” or the “Fund”) |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | The Fund seeks total return through current income and capital appreciation. |