Annual report pursuant to Section 13 and 15(d)

Prepaid Expenses and Other Current Assets (Details)

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Prepaid Expenses and Other Current Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 25, 2016
Prepaid Expense and Other Assets, Current [Abstract]    
Deposits on equipment $ 948 $ 1,143
Prepaid Expense, Current 4,716 3,694
Other current assets 260 370
Total prepaid expenses and other current assets $ 5,924 $ 5,207