Note A - Description and Organization of Business	12 Months Ended
Mar. 28, 2021
Notes to Financial Statements
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]	NOTE A - DESCRIPTION AND ORGANIZATION OF BUSINESS Nathan’s Famous, Inc. and subsidiaries (collectively the “Company” or “Nathan’s”) has historically operated or franchised a chain of retail fast food restaurants featuring the “Nathan’s World Famous Beef Hot Dog”, crinkle-cut French-fried potatoes and a variety of other menu offerings. Nathan’s has also established a Branded Product Program, which enables foodservice retailers to sell select Nathan’s proprietary products outside of the realm of a traditional franchise relationship. Nathan’s also licenses the manufacture and sale of “Nathan’s Famous” packaged hot dogs, crinkle-cut French fries and a number of other products to a variety of third parties for sale to supermarkets, club stores and grocery stores. The Company is also the owner of the Arthur Treacher’s brand. Arthur Treacher’s main product is its "Original Fish & Chips" product consisting of fish fillets coated with a special batter prepared under a proprietary formula, deep-fried golden brown, and served with English-style chips and corn meal "hush puppies." The Company considers itself to be a brand marketer of its products to the foodservice and retail industries, pursuant to its various business structures. Nathan’s has also pursued co-branding and co-hosting initiatives. At March 28, 2021, the Company’s restaurant system included four Company-owned units in the New York City metropolitan area and 213 franchised or licensed units, located in nineteen states and eight foreign countries. Covid-19 Pandemic In March 2020, the World Health Organization declared the novel strain of coronavirus (COVID-19), a global pandemic. The COVID-19 pandemic has had an impact on the Company’s business, financial condition, cash flows and results of operations for the fiscal year ended March 28, 2021 and continues into fiscal 2022. Governmental restrictions and public perceptions of the risks associated with COVID-19 have caused consumers to avoid or limit nonessential travel, gatherings in public places and other social interactions, which has adversely affected, and could continue to adversely affect, our business. The COVID-19 pandemic, has and may continue to impact customer traffic at our Company-owned restaurants and franchised restaurants, as well as sales to our Branded Product Program customers. We cannot predict whether, when or the manner in which the conditions surrounding the pandemic will change and cannot currently estimate the impact on our business in the short or long-term.

Note A - Description and Organization of Business

12 Months Ended

Mar. 28, 2021

Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]

NOTE A - DESCRIPTION AND ORGANIZATION OF BUSINESS

Nathan’s Famous, Inc. and subsidiaries (collectively the “Company” or “Nathan’s”) has historically operated or franchised a chain of retail fast food restaurants featuring the “Nathan’s World Famous Beef Hot Dog”, crinkle-cut French-fried potatoes and a variety of other menu offerings. Nathan’s has also established a Branded Product Program, which enables foodservice retailers to sell select Nathan’s proprietary products outside of the realm of a traditional franchise relationship. Nathan’s also licenses the manufacture and sale of “Nathan’s Famous” packaged hot dogs, crinkle-cut French fries and a number of other products to a variety of third parties for sale to supermarkets, club stores and grocery stores. The Company is also the owner of the Arthur Treacher’s brand. Arthur Treacher’s main product is its "Original Fish & Chips" product consisting of fish fillets coated with a special batter prepared under a proprietary formula, deep-fried golden brown, and served with English-style chips and corn meal "hush puppies." The Company considers itself to be a brand marketer of its products to the foodservice and retail industries, pursuant to its various business structures. Nathan’s has also pursued co-branding and co-hosting initiatives.

At March 28, 2021, the Company’s restaurant system included four Company-owned units in the New York City metropolitan area and 213 franchised or licensed units, located in nineteen states and eight foreign countries.

Covid-19 Pandemic

In March 2020, the World Health Organization declared the novel strain of coronavirus (COVID-19), a global pandemic. The COVID-19 pandemic has had an impact on the Company’s business, financial condition, cash flows and results of operations for the fiscal year ended March 28, 2021 and continues into fiscal 2022. Governmental restrictions and public perceptions of the risks associated with COVID-19 have caused consumers to avoid or limit nonessential travel, gatherings in public places and other social interactions, which has adversely affected, and could continue to adversely affect, our business. The COVID-19 pandemic, has and may continue to impact customer traffic at our Company-owned restaurants and franchised restaurants, as well as sales to our Branded Product Program customers. We cannot predict whether, when or the manner in which the conditions surrounding the pandemic will change and cannot currently estimate the impact on our business in the short or long-term.