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Leases (Details 1) - USD ($)
$ in Thousands
Mar. 23, 2019
Dec. 29, 2018
Mar. 24, 2018
Year 1 $ 619    
Year 2 227    
Year 3 59    
Year 4 10    
Year 5 0    
Thereafter 0    
Total future minimum lease payments 915    
Less imputed interest (32)    
Total 883    
Current operating lease liabilities 595 $ 0 $ 0
Long-term operating lease liabilities 288 $ 0 $ 0
Total $ 883