Annual report pursuant to Section 13 and 15(d)

Leases (Details)

v2.4.1.9
Leases (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Jan. 03, 2015
Dec. 28, 2013
Dec. 29, 2012
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]      
Operating leases, future minimum lease payments - 2015 $ 449us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent    
Operating leases, future minimum lease payments - 2016 241us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears    
Operating leases, future minimum lease payments - 2017 182us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears    
Operating leases, future minimum lease payments - 2018 26us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears    
Operating leases, future minimum lease payments - 2019 15us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears    
Operating lease rent expense $ 903us-gaap_LeaseAndRentalExpense $ 1,043us-gaap_LeaseAndRentalExpense $ 470us-gaap_LeaseAndRentalExpense