v3.22.4
Note A - Basis of Presentation (Details Textual)
9 Months Ended
Dec. 26, 2021
Virtual Kitchens [Member]
Cost of Product, Increase, Percent
3.00%
X
- Definition
Amount of increase of cost of product as a percentage.
+ References
No definition available.
+ Details
Name:
nath_CostOfProductIncreasePercent
Namespace Prefix:
nath_
Data Type:
dtr-types:percentItemType
Balance Type:
na
Period Type:
duration
X
- Details
Name:
us-gaap_FranchisorDisclosureAxis=nath_VirtualKitchensMember
Namespace Prefix:
Data Type:
na
Balance Type:
Period Type: