Note 2 - Assessment of Liquidity and Management's Plans (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|---|
Jul. 02, 2017 |
Jul. 03, 2016 |
Jul. 02, 2017 |
Jul. 03, 2016 |
Jan. 01, 2017 |
Jan. 03, 2016 |
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| Cash and Cash Equivalents, at Carrying Value | $ 4,107 | $ 3,850 | $ 4,107 | $ 3,850 | $ 8,503 | $ 6,099 |
| Net Income (Loss) Attributable to Parent | (6,013) | $ (604) | (6,390) | $ 363 | (232) | |
| Provision for Doubtful Accounts | 800 | |||||
| PNC Bank [Member] | Revolving Credit Facility [Member] | ||||||
| Line of Credit Facility, Remaining Borrowing Capacity | 4,136 | 4,136 | $ 7,377 | |||
| Line of Credit Facility, Maximum Borrowing Capacity | $ 30,000 | $ 30,000 | ||||
| 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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| X | ||||||||||
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- 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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| X | ||||||||||
- 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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- Definition Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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