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Note 6 - Restricted Stock Plan (Detail) (USD $)
3 Months Ended
Dec. 11, 2012
Mar. 11, 2010
Restricted Stock [Member]
   
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized   100,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 3 years  
Non-Performance Shares [Member]
   
Stock Issued During Period, Shares, Restricted Stock Award, Gross 6,701  
Stock Issued During Period, Value, Restricted Stock Award, Gross (in Dollars) 195,603  
Performance Shares [Member]
   
Stock Issued During Period, Shares, Restricted Stock Award, Gross 20,104  
Stock Issued During Period, Value, Restricted Stock Award, Gross (in Dollars) 305,154