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Obligations (Tables)
6 Months Ended
Jun. 28, 2015
Debt Disclosure [Abstract]  
Schedule of obligations
 
As of
 
June 28,
2015
 
December 28,
2014
 
(in thousands)
Debt and capital lease obligations:
 

 
 

Revolving line of credit
$
1,000

 
$
1,000

Capital leases
258

 
416

 
1,258

 
1,416

Current portion of debt and capital lease obligations
(1,202
)
 
(225
)
Long term portion of debt and capital lease obligations
$
56

 
$
1,191