Note J - Long-term Debt (Details Textual) $ in Thousands			1 Months Ended	12 Months Ended
Note J - Long-term Debt (Details Textual) $ in Thousands	Oct. 10, 2024 USD ($)	Jul. 10, 2024 USD ($)	Mar. 30, 2025 USD ($)	Mar. 30, 2025 USD ($)	Mar. 31, 2024 USD ($)	Mar. 26, 2023 USD ($)
Gain (Loss) on Extinguishment of Debt				$ (389)	$ (169)
Long-Term Debt, Gross			$ 50,800	50,800	60,000
Citi Bank, N.A. [Member]
Debt Instrument, Covenant, Extraordinary Receipt Percentage		100.00%
Debt Instrument, Covenant, Extraordinary Receipts, Amount		$ 2,000
Debt Instrument Covenant, Equity Issuance		100.00%
Debt Instrument, Covenant, Debt Issuance		100.00%
Debt Instrument, Covenant, Disposition of Certain Individual Assets, Percentage		100.00%
Citi Bank, N.A. [Member] \| Base Rate [Member]
Debt Instrument, Basis Spread on Variable Rate		0.00%
Citi Bank, N.A. [Member] \| Secured Overnight Financing Rate (SOFR) [Member]
Debt Instrument, Basis Spread on Variable Rate		1.40%
Citi Bank, N.A. [Member] \| Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity		$ 10,000
Line of Credit Facility, Incremental Borrowing Increase Amount		$ 10,000
Long-Term Line of Credit			$ 0	$ 0
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage		0.20%
Debt Instrument, Covenant, Maximum Fixed Charge Ratio		1.2
Debt Instrument, Covenant, Maximum Consolidated Net Leverage Ratio		3
Term Loan [Member] \| Citi Bank, N.A. [Member]
Debt Instrument, Face Amount		$ 60,000
Gain (Loss) on Extinguishment of Debt	$ (55)
Debt Issuance Cost, Gross, Noncurrent		$ 431
Debt Instrument, Interest Rate, Effective Percentage			5.825%	5.825%
Debt Instrument, Periodic Payment, Percent		1.00%
Debt Instrument, Periodic Payment, Principal		$ 600
Repayments of Long-Term Debt	$ 8,000		$ 1,200	$ 9,200	(0)
Debt Instrument, Covenant, Disposition of Certain Assets Individually, Amount		$ 2,000
Senior Secured 2025 Notes [Member]
Repayments of Long-Term Debt					$ 20,177
Long-Term Debt, Gross						$ 80,000
Debt Instrument, Interest Rate, Stated Percentage					6.625%	6.625%
Extinguishment of Debt, Amount					$ 20,000
Interest Paid, Including Capitalized Interest, Operating and Investing Activities					177
Deferred Debt Issuance Cost, Writeoff					169
Senior Secured 2025 Notes [Member] \| Senior Notes [Member]
Gain (Loss) on Extinguishment of Debt				(334)
Long-Term Debt, Gross			$ 0	$ 0	$ 60,000
Debt Instrument, Interest Rate, Stated Percentage			6.625%	6.625%	6.625%

NATHANS FAMOUS, INC. 10-K