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Note 8 - Shareholders' Equity (Details Textual) - shares
3 Months Ended 6 Months Ended
Aug. 28, 2016
Aug. 30, 2015
Aug. 28, 2016
Aug. 30, 2015
May 06, 2016
Mar. 10, 2016
Jan. 08, 2015
Jan. 07, 2015
Oct. 18, 2012
Stock Repurchase Program, Number of Shares Authorized to be Repurchased           1,531,412 1,250,000   1,000,000
Stock Repurchase Program, Percentage of Outstanding Shares Authorized to be Repurchased         7.60%     6.00%  
Common Stock, Shares, Outstanding         20,234,671     20,945,634  
Stock Repurchased During Period, Shares 0 444,834 0 444,834