Note 4 - Interim Consolidated Financial Statement Details - Consolidated Statements of Operations and Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2019 |
Jul. 01, 2018 |
Jun. 30, 2019 |
Jul. 01, 2018 |
|
| Long-term debt | $ 1,709 | $ 105 | $ 3,461 | $ 214 |
| Amortization of deferred financing fees | 38 | 12 | 72 | 21 |
| Amortization of debt issuance costs | 236 | 473 | ||
| Obligations under capital leases | 220 | 47 | 448 | 61 |
| Interest expense | 2,800 | 403 | 5,670 | 710 |
| Revolving Credit Facility [Member] | ||||
| Line of credit facility, periodic payment, interest | 597 | 225 | 1,216 | 400 |
| Equipment Facility [Member] | ||||
| Line of credit facility, periodic payment, interest | $ 14 | $ 14 | ||
| 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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| X | ||||||||||
- Details
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