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Note 6 Revolving Credit Agreement (Detail Narrative) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 6 Months Ended
Mar. 30, 2014
May 24, 2017
Dec. 31, 2013
Mar. 31, 2013
Dec. 31, 2012
Note 6 Revolving Credit Agreement Detail Narrative          
Line of Credit Facility, Maximum Borrowing Capacity $ 20,000        
Letter of credit sub-facility 1,000        
Line of Credit Maximum Borrowing Capacity may be increased in the last six months of the term   35,000      
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage 0.375%        
Line of Credit Facility, Amount Outstanding 0        
Line of Credit Facility, Remaining Borrowing Capacity 11,473        
Cash on hand $ 18,899   $ 16,489 $ 8,486 $ 9,656