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Prepaids and Other Current Assets - Schedule of Prepaids and Other Current Assets (Details) - USD ($)
$ in Thousands
Sep. 28, 2019
Dec. 29, 2018
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]    
Prepaid insurance $ 429 $ 271
Prepaid rent 20  
Prepaid consulting fees   265
Prepaid other 97 81
Debt issuance costs, net 308 419
Total prepaid expenses and other current assets $ 854 $ 1,036