v3.25.1
Expense Example - VALUE LINE CAPITAL APPRECIATION FUND INC
Apr. 30, 2025
USD ($)
VALUE LINE CAPITAL APPRECIATION FUND INC  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 110
Expense Example, with Redemption, 3 Years 343
Expense Example, with Redemption, 5 Years 595
Expense Example, with Redemption, 10 Years 1,317
Institutional  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 85
Expense Example, with Redemption, 3 Years 276
Expense Example, with Redemption, 5 Years 483
Expense Example, with Redemption, 10 Years $ 1,080