v3.26.1
Label Element Value
U.S. Global GO GOLD and Precious Metal Miners ETF | Mount Vernon Liquid Assets Portfolio, LLC [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 10.10%
U.S. Global GO GOLD and Precious Metal Miners ETF | Franco-Nevada Corp. [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 9.90%
U.S. Global GO GOLD and Precious Metal Miners ETF | OR Royalties, Inc. [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 9.60%
U.S. Global GO GOLD and Precious Metal Miners ETF | Wheaton Precious Metals Corp. [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 9.50%
U.S. Global GO GOLD and Precious Metal Miners ETF | Aya Gold & Silver, Inc. [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 4.00%
U.S. Global GO GOLD and Precious Metal Miners ETF | Harmony Gold Mining Co. Ltd. [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 4.00%
U.S. Global GO GOLD and Precious Metal Miners ETF | Fortuna Mining Corp. [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 3.80%
U.S. Global GO GOLD and Precious Metal Miners ETF | Endeavour Mining PLC [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 3.80%
U.S. Global GO GOLD and Precious Metal Miners ETF | Endeavour Silver Corp. [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 3.80%
U.S. Global GO GOLD and Precious Metal Miners ETF | Capricorn Metals Ltd. [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 3.30%
U.S. Global GO GOLD and Precious Metal Miners ETF | Cash & Other [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav (10.10%)
U.S. Global GO GOLD and Precious Metal Miners ETF | Basic Materials [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 97.80%
U.S. Global GO GOLD and Precious Metal Miners ETF | Cash & Other [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 2.20%
U.S. Global GO GOLD and Precious Metal Miners ETF | Canada  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 54.40%
U.S. Global GO GOLD and Precious Metal Miners ETF | Australia  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 27.50%
U.S. Global GO GOLD and Precious Metal Miners ETF | United States  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 15.10%
U.S. Global GO GOLD and Precious Metal Miners ETF | South Africa  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 6.70%
U.S. Global GO GOLD and Precious Metal Miners ETF | United Kingdom  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 3.80%
U.S. Global GO GOLD and Precious Metal Miners ETF | Peru  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 2.60%