XML 66 R52.htm IDEA: XBRL DOCUMENT
v3.25.1

Note F - Property and Equipment, Net (Details Textual) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Mar. 30, 2025 | Mar. 31, 2024
Property Depreciation and Amortization | $ 784 | $ 961

X
- Definition The amount of depreciation and amortization associated with property. + References No definition available. + Details
Name: | nath_PropertyDepreciationAndAmortization
Namespace Prefix: | nath_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration