v3.5.0.2
Document And Entity Information - shares
6 Months Ended
Sep. 25, 2016
Nov. 04, 2016
Document Information [Line Items]    
Entity Registrant Name NATHANS FAMOUS INC  
Entity Central Index Key 0000069733  
Trading Symbol nath  
Current Fiscal Year End Date --03-26  
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)   4,176,497
Document Type 10-Q  
Document Period End Date Sep. 25, 2016  
Document Fiscal Year Focus 2017  
Document Fiscal Period Focus Q2  
Amendment Flag false