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Note 11 - Share-based Compensation (Tables) | 6 Months Ended
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Jun. 28, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Share-based Compensation, Activity [Table Text Block] |
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 28, 2015 |  |  | June 29, 2014 |  |  | June 28, 2015 |  |  | June 29, 2014 |
Total cost of share-based payment plans |  | $ | 59 |  |  | $ | 72 |  |  | $ | 119 |  |  | $ | 143 |
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] |
|  | Number of Common Shares |  |  |  |  |
|  | Options Outstanding |  |  | Exercisable |  |  | Available for Grant |  |  | Weighted-Average Exercise Price |
201 5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at December 28, 2014 |  |  | 755,617 |  |  |  | 616,792 |  |  |  | 276,635 |  |  | $ | 6.09 |
Exercised |  |  | (2,500 | ) |  |  |  |  |  |  | — |  |  |  | 6.14 |
Balance at June 28, 2015 |  |  | 753,117 |  |  |  | 678,870 |  |  |  | 276,635 |  |  |  | 6.09 |
201 4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at December 29, 2013 |  |  | 798,171 |  |  |  | 585,769 |  |  |  | 263,424 |  |  | $ | 5.97 |
Forfeited/cancelled/expired |  |  | (20,211 | ) |  |  |  |  |  |  | 19,211 |  |  |  | 4.95 |
Exercised |  |  | (27,843 | ) |  |  |  |  |  |  | — |  |  |  | 4.75 |
Granted |  |  | 8,000 |  |  |  |  |  |  |  | (8,000 | ) |  |  | 9.44 |
Balance at June 29, 2014 |  |  | 758,117 |  |  |  | 605,141 |  |  |  | 274,635 |  |  |  | 6.08 |

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- Definition Tabular disclosure of share-based compensation plans that may be presented in a single table for outstanding, vested and expected to vest, and exercisable awards. The information that may be disclosed in this table may include, but is not limited to, number of shares, weighted average exercise price, weighted average remaining contractual life, and aggregate intrinsic value. + References No definition available. + 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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