Note 5 - Interim Consolidated Financial Statement Details - Consolidated Statements of Operations and Comprehensive Income (Loss) (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 30, 2018 |
Dec. 31, 2017 |
Jan. 01, 2017 |
|
| Long-term debt | $ 1,440,000 | $ 454,000 | $ 222,000 |
| Amortization of deferred financing costs | 58,000 | 27,000 | 69,000 |
| Amortization of debt issuance costs | 136,000 | ||
| Obligations under capital lease | 206,000 | 27,000 | 67,000 |
| Amortization of Financing Costs, Write Down | 104,000 | ||
| Interest earned on cash deposits | (35,000) | ||
| Interest expense -net | 3,117,000 | 903,000 | 788,000 |
| Revolving Credit Facility [Member] | |||
| Line of credit facility, periodic payment, interest | 1,173,000 | 395,000 | 465,000 |
| Amortization of deferred financing costs | $ 58,000 | $ 27,000 | $ 69,000 |
| 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 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 The interest expense recognized during the period on customer deposits or security deposits held in interest bearing accounts. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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 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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