Quarterly report pursuant to Section 13 or 15(d)

13. Accrued Liabilities (Details)

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13. Accrued Liabilities (Details) - USD ($)
$ in Thousands
Mar. 30, 2019
Dec. 29, 2018
Payables and Accruals [Abstract]    
Compensation and benefits $ 465 $ 567
Accrued incentive and rebate checks 303 316
Accrued rent 16 16
Other 84 219
Accrued liabilities, current $ 868 $ 1,118