Document And Entity Information - USD ($)	12 Months Ended
	Mar. 27, 2022	Jun. 03, 2022	Sep. 24, 2021
Document Information [Line Items]
Entity Central Index Key	0000069733
Entity Registrant Name	NATHANS FAMOUS INC
Amendment Flag	false
Current Fiscal Year End Date	--03-27
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2022
Document Type	10-K
Document Annual Report	true
Document Period End Date	Mar. 27, 2022
Document Transition Report	false
Entity File Number	001-35962
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	11-3166443
Entity Address, Address Line One	One Jericho Plaza
Entity Address, City or Town	Jericho
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	11753
City Area Code	516
Local Phone Number	338-8500
Title of 12(b) Security	Common Stock, par value $.01 per share
Trading Symbol	NATH
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Public Float			$ 177,934,000
Entity Common Stock, Shares Outstanding		4,115,154
Auditor Name	Marcum LLP
Auditor Location	New York, NY
Auditor Firm ID	688