Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets (Details Textual)

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Goodwill and Intangible Assets (Details Textual) - USD ($)
$ in Thousands
3 Months Ended
Mar. 28, 2020
Mar. 30, 2019
Goodwill And Intangible Assets Disclosure [Abstract]    
Impairment charge $ 31,871  
Amortization expense $ 4,348 $ 4,521