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Obligations (Tables)
 12 Months Ended
Dec. 30, 2012
Debt Disclosure [Abstract]  
Schedule of Obligations
 
December 30,
2012
 
January 1
2012
 
(in thousands)
 Capital lease obligations:
 
 
 
Capital leases
$
426

 
$
287

 
426

 
287

Current portion of capital lease obligations
(160
)
 
(141
)
Long term portion of capital lease obligations
$
266

 
$
146