Commitments and Contingencies - Additional Information (Details) - USD ($) $ in Millions |
12 Months Ended | |
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Dec. 29, 2018 |
Dec. 30, 2017 |
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Commitments And Contingencies Disclosure [Abstract] | ||
Rent expense | $ 1.2 | $ 1.1 |
Lease expiration date | Feb. 28, 2022 | |
Royalties pay equivalent to Percentage of sales | 5.00% | |
Royalty expense | $ 0.3 | $ 0.3 |
Early termination date of certain license agreement | 2018 | |
Late termination date of certain license agreement | 2021 |
X | ||||||||||
- Definition Early termination year of license agreement. No definition available.
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X | ||||||||||
- Definition Late termination year of license agreement. No definition available.
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X | ||||||||||
- Definition Percentage of royalty paid on net sales. No definition available.
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X | ||||||||||
- References No definition available.
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X | ||||||||||
- Definition Date which lease or group of leases is set to expire, in CCYY-MM-DD format. No definition available.
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X | ||||||||||
- Definition This element represents the payments that the lessee is obligated to make or can be required to make in connection with a property under the terms of an agreement classified as an operating lease, excluding contingent rentals and a guarantee by the lessee of the lessor's debt and the lessee's obligation to pay (apart from the rental payments) executory costs such as insurance, maintenance, and taxes. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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X | ||||||||||
- Definition Amount of expense related to royalty payments under a contractual arrangement such as payment for mineral and drilling rights and use of technology or intellectual property. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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