Note 4 - Consolidated Financial Statement Details - Consolidated Statements of Operations and Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2017 |
Jan. 01, 2017 |
Jan. 03, 2016 |
|
| Long-term debt | $ 454 | $ 222 | |
| Revolving credit facility | 395 | 465 | 1,040 |
| Amortization of deferred financing costs | 27 | 69 | 32 |
| Obligations under capital lease | 27 | 67 | 116 |
| Interest earned on cash deposits | (35) | (5) | |
| Interest expense, net | $ 903 | $ 788 | $ 1,183 |
| X | ||||||||||
- Definition Amount of the cost of borrowed funds accounted for as interest expense. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Aggregate amount of interest paid or due on all long-term debt. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of the required periodic payment applied to interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Interest paid other than in cash for example by issuing additional debt securities. As a noncash item, it is added to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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