v3.26.3
Expense Example
Nov. 01, 2026
USD ($)
Institutional Class Prospectus | Potomac Managed Volatility Fund | Institutional Class Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 172
Expense Example, with Redemption, 3 Years 533
Expense Example, with Redemption, 5 Years 918
Expense Example, with Redemption, 10 Years 1,998
Institutional Class Prospectus | Potomac Tactical Rotation Fund | Institutional Class Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 154
Expense Example, with Redemption, 3 Years 477
Expense Example, with Redemption, 5 Years 824
Expense Example, with Redemption, 10 Years 1,802
Institutional Class Prospectus | Potomac Tactical Opportunities Fund | Institutional Class Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 160
Expense Example, with Redemption, 3 Years 496
Expense Example, with Redemption, 5 Years 855
Expense Example, with Redemption, 10 Years 1,867
Institutional Class Prospectus | Potomac Defensive Bull Fund | Institutional Class Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 124
Expense Example, with Redemption, 3 Years 387
Expense Example, with Redemption, 5 Years 670
Expense Example, with Redemption, 10 Years 1,477
Institutional Class Prospectus | Potomac Tactically Passive Fund | Institutional Class Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 151
Expense Example, with Redemption, 3 Years 468
Class R Prospectus | Potomac Managed Volatility Fund | Class R Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 272
Expense Example, with Redemption, 3 Years 835
Expense Example, with Redemption, 5 Years 1,425
Expense Example, with Redemption, 10 Years 3,022
Class R Prospectus | Potomac Tactical Rotation Fund | Class R Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 254
Expense Example, with Redemption, 3 Years 782
Expense Example, with Redemption, 5 Years 1,335
Expense Example, with Redemption, 10 Years 2,846
Class R Prospectus | Potomac Tactical Opportunities Fund | Class R Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 260
Expense Example, with Redemption, 3 Years 799
Expense Example, with Redemption, 5 Years 1,365
Expense Example, with Redemption, 10 Years 2,905
Class R Prospectus | Potomac Defensive Bull Fund | Class R Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 225
Expense Example, with Redemption, 3 Years 694
Expense Example, with Redemption, 5 Years 1,190
Expense Example, with Redemption, 10 Years 2,554
Class R Prospectus | Potomac Tactically Passive Fund | Class R Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 251
Expense Example, with Redemption, 3 Years $ 773