Quarterly report pursuant to Section 13 or 15(d)

9. Property and Equipment (Details)

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9. Property and Equipment (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 30, 2019
Dec. 29, 2018
Property plant and equipment, gross $ 6,337 $ 6,174
Less accumulated depreciation and amortization (5,637) (5,557)
Property plant and equipment, net 700 617
Buildings and improvements [Member]    
Property plant and equipment, gross $ 68 67
Estimated useful life 18-30 years  
Equipment (including computer software    
Property plant and equipment, gross $ 6,172 6,049
Estimated useful life 3-15 years  
Projects under construction [Member]    
Property plant and equipment, gross $ 97 $ 58