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Note 5 - Stock-based Compensation (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 2 Months Ended 12 Months Ended
Feb. 28, 2015
Mar. 01, 2015
Feb. 28, 2016
Mar. 01, 2015
Mar. 02, 2014
Selling, General and Administrative Expenses [Member]          
Share-based Compensation Arrangement by Share-based Payment Award, Plan Modification, Incremental Compensation Cost     $ 131 $ 205  
Percentage of Stock Options, Exercisable One Year From Date of Grant     25.00%    
Percentage of Stock Options Exercisable On Each Succeeding Year from Date of Grant     25.00%    
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period     10 years    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized     1,800,000    
Common Stock, Capital Shares Reserved for Future Issuance     1,466,030    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant     234,638    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized     $ 3,212    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition     2 years 240 days    
Share-based Compensation Arrangement by Share-based Payment Award, Plan Modification, Price Reduction   $ 1.50      
Common Stock, Dividends, Per Share, Cash Paid $ 1.50        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value     $ 4 $ 688 $ 249