v3.10.0.1
Document And Entity Information - shares
3 Months Ended
Jun. 24, 2018
Aug. 03, 2018
Document Information [Line Items]    
Entity Registrant Name NATHANS FAMOUS INC  
Entity Central Index Key 0000069733  
Trading Symbol nath  
Current Fiscal Year End Date --03-31  
Entity Filer Category Accelerated Filer  
Entity Current Reporting Status Yes  
Entity Voluntary Filers No  
Entity Well-known Seasoned Issuer No  
Entity Common Stock, Shares Outstanding (in shares)   4,187,539
Document Type 10-Q  
Document Period End Date Jun. 24, 2018  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q1  
Amendment Flag false