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Commitments and Contingencies - Schedule of Maturities of Operating Lease Liabilities (Details) - USD ($) $ in Thousands | Jun. 29, 2019 | Dec. 30, 2018
--- | --- | ---
Operating Lease Liabilities Payments Due [Abstract] |  |
Remainder of 2019 (6 months) | $ 763 |
2020 | 1,554 |
2021 | 1,542 |
2022 | 320 |
Total lease payments | 4,179 |
Less: Imputed interest | (300) |
Lease liabilities | $ 3,879 | $ 4,500

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- Definition Amount of lessee's undiscounted obligation for lease payments for operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 + Details
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- Definition Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 + Details
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