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Note 9 - Debt (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 11 Months Ended 12 Months Ended 13 Months Ended 14 Months Ended
Jun. 28, 2015
Jun. 29, 2014
Dec. 29, 2013
Jun. 28, 2015
Jun. 29, 2014
Oct. 31, 2013
Dec. 28, 2014
Dec. 28, 2014
Dec. 28, 2014
Dec. 30, 2012
Note 9 - Debt (Details) [Line Items]                    
Long-term Line of Credit $ 10,844     $ 10,844     $ 11,691 $ 11,691 $ 11,691  
Financing Facility [Member] | Centennial Bank [Member]                    
Note 9 - Debt (Details) [Line Items]                    
Line of Credit Facility, Maximum Borrowing Capacity                   $ 17,500
Proceeds from Lines of Credit             13,400      
Line of Credit Facility, Interest Rate During Period           10.50%     5.50%  
Line of Credit Facility, Expiration Period               84 months    
Line of Credit Facility, Remaining Borrowing Capacity 4,100     4,100            
Long-term Line of Credit 10,800     10,800     $ 11,700 $ 11,700 $ 11,700  
Gains (Losses) on Restructuring of Debt     $ 1,700              
Fair Value of Debt Instrument, Unamortized Discount     2,000              
Debt Issuance Cost     $ 300              
Accretion of Discount $ 100 $ 100   $ 200 $ 200