XML 51 R1.htm IDEA: XBRL DOCUMENT v2.4.1.9
Document and Entity Information
 9 Months Ended
Jan. 31, 2015
Mar. 10, 2015
Document and Entity Information [Abstract]    
Entity Registrant Name VALUE LINE INC  
Entity Central Index Key 0000717720  
Trading Symbol valu  
Current Fiscal Year End Date --04-30  
Entity Filer Category Non-accelerated Filer  
Entity Common Stock, Shares Outstanding   9,812,868dei_EntityCommonStockSharesOutstanding
Document Type 10-Q  
Document Period End Date Jan. 31, 2015  
Amendment Flag false  
Document Fiscal Year Focus 2015  
Document Fiscal Period Focus Q3