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Note B - Summary of Significant Accounting Policies (Details Textual) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Mar. 29, 2020 USD ($) | Mar. 31, 2019 USD ($) | Mar. 31, 2020 USD ($) | Apr. 01, 2019 USD ($)
Cash Equivalents, at Carrying Value, Total |  | $ 0 | $ 20,000 |  |
Goodwill, Ending Balance |  | 95 | 95 |  |
Intangible Assets, Net (Excluding Goodwill), Total |  | 1,269 | 1,353 |  |
Amortization of Intangible Assets, Total |  | 84 |  |  |
Impairment of Long-Lived Assets Held-for-use |  | 0 | 0 |  |
Long-term Debt, Total |  | 146,140 | 145,449 | $ 150,000 |
Long-term Debt, Fair Value |  |  |  | $ 138,000 |
Contract with Customer, Liability, Excluding Cash Received | [1] | $ 1,917 | $ 3,005 |  |
Number of Major Branded Customer |  | 3 | 4 |  |
Maximum Contributions to Advertising Fund Percentage of Net Sales |  | 2.00% |  |  |
Advertising Expense |  | $ 2,177 | $ 2,506 |  |
Operating Lease, Right-of-Use Asset |  | 9,181 |  |  | $ 7,804
Operating Lease, Liability, Total | [2] | 10,115 |  |  |
Accounting Standards Update 2016-02 [Member] |  |  |  |  |
Operating Lease, Right-of-Use Asset |  |  |  |  | 7,804
Operating Lease, Liability, Total |  |  |  |  | $ 8,533
Entity Operated Units [Member] |  |  |  |  |
Advertising Expense |  | $ 145 | $ 107 |  |
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Branded Product Customer A [Member] |  |  |  |  |
Concentration Risk, Percentage |  | 24.00% | 19.00% |  |
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Branded Product Customer B [Member] |  |  |  |  |
Concentration Risk, Percentage |  | 11.00% | 18.00% |  |
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Branded Product Customer C [Member] |  |  |  |  |
Concentration Risk, Percentage |  | 10.00% | 17.00% |  |
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Branded Product Customer D [Member] |  |  |  |  |
Concentration Risk, Percentage |  |  | 13.00% |  |
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Branded Product Customer A [Member] |  |  |  |  |
Concentration Risk, Percentage |  | 12.00% | 14.00% |  |
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | One Retail Licensee [Member] |  |  |  |  |
Concentration Risk, Percentage |  | 24.00% | 22.00% |  |
Cost of Goods and Service, Product and Service Benchmark [Member] | Supplier Concentration Risk [Member] | Primary Supplier of Hot Dogs [Member] |  |  |  |  |
Concentration Risk, Percentage |  | 92.00% | 92.00% |  |
Cost of Goods and Service, Product and Service Benchmark [Member] | Supplier Concentration Risk [Member] | Distributor of Product to Company-owned Restaurants [Member] |  |  |  |  |
Concentration Risk, Percentage |  | 5.00% | 5.00% |  |
Deferred Franchise Fees [Member] |  |  |  |  |
Contract with Customer, Liability, Excluding Cash Received |  | $ 230 | $ 318 |  |
Other Liabilities [Member] |  |  |  |  |
Contract with Customer, Liability, Excluding Cash Received |  | $ 1,687 | $ 2,687 |  |
[1] | Deferred franchise fees of $230 and $1,687 are included in Deferred franchise fees - current and long term as of March 29, 2020, respectively and $318 and $2,687 as of March 31, 2019, respectively.
[2] | The present value of minimum operating lease payments of $1,583 and $8,532 are included in "Current portion of operating lease liabilities" and "Long-term operating lease liabilities," respectively.

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