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Accrued Liabilities - Schedule of Accrued Liabilities (Details) - USD ($) $ in Thousands | Mar. 28, 2020 | Dec. 28, 2019
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Payables And Accruals [Abstract] |  |
Compensation and benefits | $ 1,240 | $ 809
Contract liability | 473 | 515
Accrued incentive and rebate checks | 660 | 988
Accrued rent |  | 228
Accrued guarantees | 767 | 767
Other | 195 | 631
Total accrued expenses | $ 3,335 | $ 3,938

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