v3.25.2
Average Annual Total Returns
12 Months Ended 18 Months Ended 56 Months Ended 60 Months Ended 66 Months Ended 120 Months Ended
Apr. 30, 2025
Dec. 31, 2024
Dec. 31, 2024
Dec. 31, 2024
Dec. 31, 2024
Dec. 31, 2024
Dec. 31, 2024
MUSQ Global Music Industry Index ETF              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return Before Taxes            
Average Annual Return, Percent   (4.63%) (1.43%)        
Performance Inception Date Jul. 06, 2023            
MUSQ Global Music Industry Index ETF | After Taxes on Distributions              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions            
Average Annual Return, Percent   (4.95%) (1.83%)        
MUSQ Global Music Industry Index ETF | After Taxes on Distributions and Sales              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares            
Average Annual Return, Percent   (2.65%) (1.20%)        
ROBO Global(R) Robotics and Automation Index ETF              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return Before Taxes            
Average Annual Return, Percent   (1.22%)     6.20%   8.38%
ROBO Global(R) Robotics and Automation Index ETF | After Taxes on Distributions              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions            
Average Annual Return, Percent   (1.25%)     6.19%   8.39%
ROBO Global(R) Robotics and Automation Index ETF | After Taxes on Distributions and Sales              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares            
Average Annual Return, Percent   (0.53%)     4.90%   6.92%
ROBO Global(R) Healthcare Technology and Innovation ETF              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return Before Taxes            
Average Annual Return, Percent   2.81%     1.78% 3.19%  
Performance Inception Date Jun. 24, 2019            
ROBO Global(R) Healthcare Technology and Innovation ETF | After Taxes on Distributions              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions            
Average Annual Return, Percent   2.81%     1.77% 3.18%  
ROBO Global(R) Healthcare Technology and Innovation ETF | After Taxes on Distributions and Sales              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares            
Average Annual Return, Percent   1.67%     1.37% 2.47%  
ROBO Global(R) Artificial Intelligence ETF              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return Before Taxes            
Average Annual Return, Percent   18.62%   15.47%      
Performance Inception Date May 08, 2020            
ROBO Global(R) Artificial Intelligence ETF | After Taxes on Distributions              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions            
Average Annual Return, Percent   18.62%   15.47%      
ROBO Global(R) Artificial Intelligence ETF | After Taxes on Distributions and Sales              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares            
Average Annual Return, Percent   11.02%   12.45%      
MUSQ Global Music Industry Index (reflects no deduction for fees, expenses, or taxes)              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] MUSQ Global Music Industry Index (reflects no deduction for fees, expenses, or taxes)            
Average Annual Return, Percent [1]   (3.89%) (0.75%)        
VettaFi Full World Index (reflects no deduction for fees, expenses, or taxes)              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] VettaFi Full World Index (reflects no deduction for fees, expenses, or taxes)            
Average Annual Return, Percent   17.98% 18.28% 14.76% 10.70% 11.43% 9.92%
MSCI ACWI Index (reflects no deduction for fees, expenses, or taxes)              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] MSCI ACWI Index (reflects no deduction for fees, expenses, or taxes)            
Average Annual Return, Percent   17.49% 17.80%        
ROBO Global® Robotics and Automation Index (reflects no deduction for fees, expenses, or taxes)              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] ROBO Global® Robotics and Automation Index (reflects no deduction for fees, expenses, or taxes)            
Average Annual Return, Percent [2]   (0.33%)     7.03%   9.25%
S&P 500® Index (reflects no deduction for fees, expenses, or taxes)              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] S&P 500® Index (reflects no deduction for fees, expenses, or taxes)            
Average Annual Return, Percent   25.02%   17.97% 14.53% 15.18% 13.10%
ROBO Global® Healthcare Technology and Innovation Index (reflects no deduction for fees, expenses, or taxes)              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] ROBO Global® Healthcare Technology and Innovation Index (reflects no deduction for fees, expenses, or taxes)            
Average Annual Return, Percent [3]   3.53%     2.46% 3.88%  
ROBO Global® Artificial Intelligence Index (reflects no deduction for fees, expenses, or taxes)              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] ROBO Global® Artificial Intelligence Index (reflects no deduction for fees, expenses, or taxes)            
Average Annual Return, Percent   18.93%   15.88%      
[1] This information shows how the Fund’s performance compares with the returns of the Index, which has similar investment objectives as the Fund.
[2] This information shows how the Fund’s performance compares with the returns of the Index, which has similar investment objectives as the Fund.
[3] This information shows how the Fund’s performance compares with the returns of the Index, which has similar investment objectives as the Fund.