v3.26.3
Shareholder Report, Line Graph (Details) 195570_F-m Emerald Special Situations ETF_TF_TSR Annual {TF} - USD ($)
12 Months Ended
Aug. 31, 2025
Aug. 31, 2024
Aug. 31, 2023
Aug. 31, 2022
Aug. 31, 2021
Aug. 31, 2020
Aug. 31, 2019
Aug. 31, 2018
Aug. 31, 2017
Aug. 31, 2016
Aug. 31, 2026
F/m Emerald Special Situations ETF                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     F/m Emerald Special Situations ETF NAV
Accumulated Value $ 42,767 $ 33,550 $ 27,137 $ 22,808 $ 29,710 $ 20,640 $ 13,931 $ 15,000 $ 11,298 $ 10,000 $ 60,689
Russell 3000 Total Return Index [Member]                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     Russell 3000 Total Return Index
Accumulated Value $ 33,220 $ 28,677 $ 22,734 $ 19,810 $ 22,845 $ 17,171 $ 14,139 $ 13,956 $ 11,606 $ 10,000 $ 39,898