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Prepaids and Other Current Assets - Schedule of Prepaids and Other Current Assets (Details) - USD ($)
$ in Thousands
Jun. 27, 2020
Dec. 28, 2019
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]    
Prepaid insurance $ 677 $ 282
Prepaid other 168 74
Total prepaid expenses and other current assets $ 845 $ 356