Quarterly report pursuant to Section 13 or 15(d)

16. Short Term Debt (Details Narrative)

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16. Short Term Debt (Details Narrative) - Term Loan [Member] - USD ($)
$ in Thousands
12 Months Ended
Dec. 29, 2018
Dec. 30, 2017
Mar. 30, 2019
AFCO Credit Corp [Member]      
Debt and capital lease obligations $ 193   $ 0
Debt issuance date Jul. 02, 2018 Jun. 16, 2017  
Debt face amount $ 556 $ 1,070  
Debt interest rate description 4.519%. 3.567%  
Energy Efficiency Investments [Member]      
Debt and capital lease obligations $ 0   0
Debt issuance date   Nov. 08, 2016  
Debt face amount   $ 7,732  
Debt issuance costs   $ 740  
Unamortized debt issuance costs $ 419   $ 382