Note 4 - Consolidated Financial Statement Details - Consolidated Statements of Operations and Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||||
|---|---|---|---|---|---|
Dec. 29, 2019 |
Dec. 30, 2018 |
Dec. 31, 2017 |
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| Long-term debt | $ 5,672 | $ 1,440 | $ 454 | ||
| Amortization of deferred financing costs | 176 | 58 | 27 | ||
| Amortization of debt issuance costs | [1] | 1,416 | 136 | ||
| Obligations under finance lease | 843 | 206 | 27 | ||
| Write down of deferred financing fees | 104 | ||||
| Interest expense -net | 10,562 | 3,117 | 903 | ||
| Revolving Credit Facility [Member] | |||||
| Line of credit facility, periodic payment, interest | $ 2,455 | $ 1,173 | $ 395 | ||
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| X | ||||||||||
- Definition Write down amount of amortization expense attributable to debt issuance costs. No definition available.
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| X | ||||||||||
- Definition Amount of amortization expense attributable to debt discount (premium) and debt issuance costs. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Represents the charge against earnings during the period for commitment fees and debt issuance expenses. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of interest expense on finance lease liability. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Aggregate amount of interest paid or due on all long-term debt. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The net amount of operating interest income (expense). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of the required periodic payment applied to interest. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Details
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