Note D - Revenues - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
Jun. 30, 2019	Jun. 24, 2018
Revenues	$ 30,518	$ 30,168
Branded Products [Member]
Revenues	16,113	16,445
Company-operated Restaurants [Member]
Revenues	4,124	4,026
Product [Member]
Revenues	20,237	20,471
License [Member]
Revenues	8,722	8,098
Royalty [Member]
Revenues	980	997
Franchise [Member]
Revenues	97	107
Franchise Fees and Royalties [Member]
Revenues	1,077	1,104
Advertising Fund Revenue [Member]
Revenues	$ 482	$ 495

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

Name:	us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration