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Note 3 - Intangible Assets (Detail) (USD $)
12 Months Ended
Mar. 03, 2013
Feb. 26, 2012
Goodwill, Written off Related to Sale of Business Unit $ 122,000  
Franchise Rights [Member]
   
Amortization of Intangible Assets 132,000 109,000
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months $ 105,000