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Long-term Debt (Details)
$ in Thousands
6 Months Ended
May 22, 2020
USD ($)
May 29, 2018
USD ($)
Jan. 29, 2016
USD ($)
Dec. 30, 2015
USD ($)
Tranche
Jun. 30, 2020
USD ($)
Apr. 22, 2020
USD ($)
Dec. 31, 2019
USD ($)
Long-term Debt [Abstract]              
Term notes         $ 2,528    
Less: current portion         (799)   $ 0
Total long-term debt         $ 1,729   $ 0
PPP Loans [Member]              
Long-term Debt [Abstract]              
Maturity date         May 01, 2022    
Face amount of debt           $ 2,028  
Interest rate percentage           1.00%  
Debt instrument term         2 years    
Debt instrument, extended term         5 years    
Balance amount of loan         $ 2,028    
EDIL [Member]              
Long-term Debt [Abstract]              
Face amount of debt $ 500            
Interest rate percentage 3.75%            
Debt instrument term         30 years    
Balance amount of loan         $ 500    
Installment monthly payment amount $ 2            
MidCap Financial Trust [Member] | Term-Note Credit Facility [Member]              
Long-term Debt [Abstract]              
Maximum borrowing capacity under the agreement       $ 12,000      
Number of tranches | Tranche       2      
Repayment of debt   $ (3,000)          
Maturity date         May 31, 2022    
Credit facility amount outstanding   $ 10,571          
Period without debt principal payments due         18 months    
Monthly payment, principal         $ 252    
Percentage of change in cash flows, due to debt modifications   10.00%          
MidCap Financial Trust [Member] | Term-Note Credit Facility [Member] | LIBOR [Member]              
Long-term Debt [Abstract]              
Basis spread on variable rate       8.25% 7.25%    
MidCap Financial Trust [Member] | Term-Note Credit Facility [Member] | First Tranche [Member]              
Long-term Debt [Abstract]              
Proceeds from credit facility       $ 10,500      
MidCap Financial Trust [Member] | Term-Note Credit Facility [Member] | Second Tranche [Member]              
Long-term Debt [Abstract]              
Proceeds from credit facility     $ 1,500