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(4) Leases - Capital Lease Liabilities (Details)
 12 Months Ended
Dec. 28, 2019
USD ($)
Commitments and Contingencies Disclosure [Abstract]  
Maturity of capitalized lease liabilities (Dollars in Thousands)
(Dollars in Thousands)    December 28, 2019  
Maturity of capitalized lease liabilities    Lease payments  
2020   152 
2021   26 
Total undiscounted operating lease payments  $178 
Less: Imputed interest   (7)
Present value of operating lease liability  $171 

 

Balance Sheet Classification     
Current lease liability  $148 
Long-term lease liability   23 
Total operating lease liability  $171 
Other Information     
Weighted-average remaining lease term for capitalized operating leases   14 months 
Weighted-average discount rate for capitalized operating leases   6.5%
      
2020 $ 152
2021 26
Total undiscounted operating lease payments 178
Less: Imputed interest (7)
Present value of operating lease liability $ 171
Balance Sheet Classification
(Dollars in Thousands)    December 28, 2019  
Maturity of capitalized lease liabilities    Lease payments  
2020   152 
2021   26 
Total undiscounted operating lease payments  $178 
Less: Imputed interest   (7)
Present value of operating lease liability  $171 

 

Balance Sheet Classification     
Current lease liability  $148 
Long-term lease liability   23 
Total operating lease liability  $171 
Other Information     
Weighted-average remaining lease term for capitalized operating leases   14 months 
Weighted-average discount rate for capitalized operating leases   6.5%
      
Current lease liability $ 148
Long-term lease liability 23
Total operating lease liability $ 171
Weighted-average remaining lease term for capitalized operating leases 14 months
Weighted-average discount rate for capitalized operating leases 6.50%