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Segment Reporting and Geographic Data - Geographic Areas Long Lived Assets (Detail) - USD ($)
$ in Thousands
Sep. 28, 2019
Dec. 29, 2018
Geographic Areas, Long-Lived Assets [Abstract]    
NoncurrentAssets [1] $ 4,746 $ 3,474
UNITED STATES    
Geographic Areas, Long-Lived Assets [Abstract]    
NoncurrentAssets [1] 3,906 2,567
NETHERLANDS    
Geographic Areas, Long-Lived Assets [Abstract]    
NoncurrentAssets [1] $ 840 $ 907
[1] The Company’s only long-lived assets consist of property and equipment, net of depreciation, which are categorized based on their location of domicile.