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v3.25.1

Note F - Property and Equipment, Net (Tables) | 12 Months Ended
--- | ---
Mar. 30, 2025
Notes Tables |
Schedule of Property, Plant, and Equipment, Carrying Value [Table Text Block] |
|  | March 30, |  |  | March 31, |
|  | 2025 |  |  | 2024 |
Land |  | $ | 123 |  |  | $ | 123 |
Building and improvements |  |  | 1,441 |  |  |  | 1,414 |
Machinery, equipment, furniture and fixtures |  |  | 5,421 |  |  |  | 5,405 |
Leasehold improvements |  |  | 7,418 |  |  |  | 7,418 |
Construction-in-progress |  |  | 6 |  |  |  | - |
Total property and equipment |  |  | 14,409 |  |  |  | 14,360 |
Less: accumulated depreciation and amortization |  |  | (12,295 | ) |  |  | (11,687 | )
Property and equipment, net |  | $ | 2,114 |  |  | $ | 2,673 |

X
- Definition Tabular disclosure of the gross and net amount of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. + References No definition available. + Details
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Namespace Prefix: | nath_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration