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) - USD ($)
$ in Thousands
5 Months Ended 6 Months Ended 10 Months Ended 12 Months Ended
Jun. 01, 2019
Jul. 02, 2018
Nov. 08, 2016
Dec. 30, 2017
Jun. 29, 2019
Dec. 29, 2018
AFCO Credit Corp [Member]            
Debt and capital lease obligations, amount outstanding         $ 561 $ 193
Term Loan [Member] | AFCO Credit Corp [Member]            
Debt and capital lease obligations, amount outstanding           0
Debt issuance date       Jun. 16, 2017    
Debt face amount       $ 1,070    
Debt interest rate description       3.567%    
Debt maturity date       Apr. 01, 2018    
Term Loan [Member] | Energy Efficiency Investments [Member]            
Debt and capital lease obligations, amount outstanding         0 0
Debt issuance date     Nov. 08, 2016      
Debt face amount     $ 7,732      
Unamortized debt issuance costs     $ 740   $ 382 $ 419
Term Loan [Member] | AFCO Credit Corp [Member]            
Debt issuance date   Jul. 02, 2018        
Debt face amount   $ 556        
Debt interest rate description   4.519%        
Debt maturity date   Mar. 01, 2019        
Two Financing Agreements [Member] | AFCO Credit Corp [Member]            
Debt issuance date Jun. 01, 2009          
Debt face amount $ 471          
Debt interest rate description 4.9%          
Debt maturity date Mar. 01, 2020