Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies Total Rental Expense (Details)

v2.4.1.9
Commitments and Contingencies Total Rental Expense (Details) (USD $)
 12 Months Ended
Dec. 27, 2014
Dec. 28, 2013
Dec. 29, 2012
Commitments and Contingencies Disclosure [Abstract]      
Operating Leases, Future Minimum Payments Due, Next Twelve Months $ 470us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent    
Operating Leases, Rent Expense, Net 137,000us-gaap_OperatingLeasesRentExpenseNet 265,000us-gaap_OperatingLeasesRentExpenseNet 297,000us-gaap_OperatingLeasesRentExpenseNet
Operating Leases, Future Minimum Payments, Due in Two Years 384us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears    
Operating Leases, Future Minimum Payments, Due in Three Years 319us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears    
Operating Leases, Future Minimum Payments, Due in Four Years 20us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears    
Operating Leases, Future Minimum Payments, Due in Five Years 21us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears    
Operating Leases, Future Minimum Payments, Due Thereafter 51us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter    
Operating Leases, Future Minimum Payments Due $ 1,265us-gaap_OperatingLeasesFutureMinimumPaymentsDue