Summary of Significant Accounting Policies and Nature of Operations - Goodwill and Intangible Assets (Details) - USD ($) $ in Thousands |
Dec. 29, 2018 |
Dec. 30, 2017 |
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| Accounting Policies [Abstract] | ||
| Gross carrying amount | $ 4,619 | $ 4,619 |
| Accumulated amortization and impairment | 4,154 | 3,968 |
| Net carrying amount | $ 465 | $ 651 |
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- Definition Finite lived intangible assets accumulated amortization and impairment. No definition available.
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- References No definition available.
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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