XML 59 R48.htm IDEA: XBRL DOCUMENT v3.19.2

Note H - Accounts and Other Receivables, Net (Details Textual)	3 Months Ended
	Jun. 30, 2019
Accounts Receivable Payment Terms	30 days

X

- Definition

Nathan's standard payment terms.

+ References

No definition available.

+ Details

Name:	nath_AccountsReceivablePaymentTerms
Namespace Prefix:	nath_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration