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Note 15 - Commitments and Contingencies (Tables)
6 Months Ended
Sep. 27, 2015
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Product Warranty Liability [Table Text Block]
   

September 27,

2015

   

March 29,

2015

 

Beginning balance

  $ 282     $ 1,074  

Provisions for warranties issued

    91       458  

Settlements/adjustments

    (17

)

    (1,250

)

Ending balance

  $ 356     $ 282