v3.26.1
Expense Example, No Redemption - Value Line Small Cap Opportunities Fund, Inc.
Apr. 30, 2026
USD ($)
Value Line Small Cap Opportunities Fund, Inc.  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 123
Expense Example, No Redemption, 3 Years 384
Expense Example, No Redemption, 5 Years 665
Expense Example, No Redemption, 10 Years 1,466
Institutional  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 99
Expense Example, No Redemption, 3 Years 309
Expense Example, No Redemption, 5 Years 536
Expense Example, No Redemption, 10 Years $ 1,190