Document And Entity Information - shares	6 Months Ended
	Sep. 24, 2017	Nov. 03, 2017
Document Information [Line Items]
Entity Registrant Name	NATHANS FAMOUS INC
Entity Central Index Key	0000069733
Trading Symbol	nath
Current Fiscal Year End Date	--03-25
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)		4,184,549
Document Type	10-Q
Document Period End Date	Sep. 24, 2017
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q2
Amendment Flag	false