Note 4 - Interim Consolidated Financial Statement Details - Consolidated Statements of Operations and Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2018 |
Oct. 01, 2017 |
Sep. 30, 2018 |
Oct. 01, 2017 |
|
| Long-term debt | $ 107 | $ 116 | $ 321 | $ 342 |
| Amortization of deferred financing fees | 11 | 8 | 32 | 19 |
| Obligations under capital leases | 6 | 5 | 67 | 21 |
| Interest expense | 485 | 229 | 1,195 | 625 |
| Revolving Credit Facility [Member] | ||||
| Line of credit facility, periodic payment, interest | 318 | 100 | 718 | 243 |
| Equipment Facility [Member] | ||||
| Line of credit facility, periodic payment, interest | $ 43 | $ 57 | ||
| X | ||||||||||
- Definition Amount of amortization expense attributable to debt issuance costs. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of the cost of borrowed funds accounted for as interest expense. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The amount, during the lease term, of each minimum [capital] lease payment allocated to interest expense so as to produce a constant periodic rate of interest on the remaining balance of the capital lease obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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 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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