Quarterly report pursuant to Section 13 or 15(d)

Short Term Debt - Additional Information (Details)

v3.20.2
Short Term Debt - Additional Information (Details) - USD ($)
$ in Thousands
6 Months Ended
Jul. 01, 2020
May 01, 2020
Apr. 30, 2020
Jun. 27, 2020
Dec. 28, 2019
Aug. 14, 2017
Short Term Debt [Line Items]            
Short term debt       $ 3,469 $ 280  
Customer Advance Payments            
Short Term Debt [Line Items]            
Debt maturity date       Dec. 31, 2021    
Short term debt       $ 1,168    
Total funding received     $ 1,168 1,168    
Amount of debt forgiven       0    
Promissory Note | PPP Loan            
Short Term Debt [Line Items]            
Debt maturity date   Apr. 27, 2022        
Loan amount   $ 1,872   1,872    
Credit facility interest rate   1.00%        
AFCO Financing Agreement            
Short Term Debt [Line Items]            
Short term debt       429 155  
GE 8% Loan Agreement            
Short Term Debt [Line Items]            
Debt interest rate           8.00%
AFCO Credit Corporation            
Short Term Debt [Line Items]            
Debt face amount       $ 429    
Debt interest rate       3.30%    
Frequency of periodic payment       monthly    
Debt maturity date       Dec. 01, 2020    
Short term debt       $ 429 $ 155  
AFCO Credit Corporation | Subsequent Event            
Short Term Debt [Line Items]            
Initial down payment $ 143          
Monthly principal payments $ 48