Note 2 - Assessment of Liquidity Risk (Details Textual) - USD ($) $ in Thousands |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2017 |
Jan. 01, 2017 |
Jan. 03, 2016 |
Dec. 28, 2014 |
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| Net Income (Loss) Attributable to Parent | $ (7,845) | $ (232) | $ (4) | |
| Cash and Cash Equivalents, at Carrying Value | 5,536 | 8,503 | $ 6,099 | $ 5,447 |
| PNC Bank [Member] | Revolving Credit Facility [Member] | ||||
| Line of Credit Facility, Remaining Borrowing Capacity | $ 5,295 | $ 7,377 | ||
| X | ||||||||||
- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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