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Note 9 - Debt (Tables)
6 Months Ended
Jun. 28, 2015
Debt Disclosure [Abstract]  
Schedule of Long-term Debt Instruments [Table Text Block]
   

June 28,

2015

   

December 28,

2014

 

Financing Facility

  $ 10,844     $ 11,691  

Capital lease obligations

          50  

Total debt

    10,844       11,741  

Less: current maturities, net of discount

    (1,361 )     (1,368 )

Less: unamortized debt discount

    (1,210 )     (1,432 )

Long-term debt, net of current maturities and discount

  $ 8,273     $ 8,941