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10. Prepaids and other current assets (Details Narrative) - USD ($)
$ in Thousands
Sep. 29, 2018
Dec. 30, 2017
Prepaid Expense and Other Assets, Current $ 951 $ 506
Prepaid Insurance [Member]    
Prepaid Expense and Other Assets, Current 484 443
Prepaid Rent [Member]    
Prepaid Expense and Other Assets, Current 0 5
Prepaid Services [Member]    
Prepaid Expense and Other Assets, Current 324 0
Prepaid Other [Member]    
Prepaid Expense and Other Assets, Current $ 143 $ 58