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Note 11 - Share-Based Compensation (Tables) | 9 Months Ended
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Sep. 27, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] |
|  | All Stock Options Outstanding |
|  | Shares |  |  | Weighted Average Exercise Price |
Options outstanding as of December 28, 2013 |  |  | 276,900 |  |  | $ | 5.47 |
Options granted |  |  | 15,000 |  |  | $ | 6.10 |
Options exercised |  |  | (58,000 | ) |  | $ | 4.59 |
Options forfeited/cancelled |  |  | (11,000 | ) |  | $ | 8.81 |
Options outstanding as of September 27, 2014 |  |  | 222,900 |  |  | $ | 5.57 |
Options outstanding price range at September 27, 2014 |  | $ | 4.16 - 9.81 |  |  |  |  |
Options exercisable as of September 27, 2014 |  |  | 152,900 |  |  | $ | 5.53 |
Intrinsic value of outstanding stock options as of September 27, 2014 |  | $ | 476 |  |  |  |  |
Intrinsic value of stock options exercised for the thirty-nine week period ended September 27, 2014 |  | $ | 112 |  |  |  |  |
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] |
|  | Number of Restricted Stock Units (in thousands) |  |  | Weighted Average Grant Date Fair Value per Share |
Outstanding non-vested at December 28, 2013 |  |  | 300 |  |  | $ | 5.72 |
Granted |  |  | - |  |  |  | - |
Vested |  |  | - |  |  |  | - |
Forfeited or expired |  |  | - |  |  |  | - |
Outstanding non-vested at September 27, 2014 |  |  | 300 |  |  | $ | 5.72 |

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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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