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Operating Leases (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 27, 2014
Operating Leased Assets [Line Items]  
2015 $ 601us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent
2016 406us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears
2017 347us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears
2018 201us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears
Thereafter 285us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears
Minimum rental payments under non-cancelable leases $ 1,840us-gaap_OperatingLeasesFutureMinimumPaymentsDue