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Note 20 - Selected Quarterly Financial Information (Unaudited) (Tables) | 12 Months Ended
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Dec. 29, 2012
Schedule of Quarterly Financial Information [Table Text Block] |
|  | Sales |  |  | Gross Profit |  |  | Operating Income |  |  | Net Income |  |  | Diluted Income Per Share |
1st Quarter |  | $ | 38,206 |  |  | $ | 10,285 |  |  | $ | 1,776 |  |  | $ | 1,059 |  |  | $ | 0.08 |
2nd Quarter |  |  | 35,753 |  |  |  | 9,656 |  |  |  | 1,015 |  |  |  | 505 |  |  |  | 0.04 |
3rd Quarter |  |  | 34,839 |  |  |  | 9,675 |  |  |  | 1,107 |  |  |  | 634 |  |  |  | 0.05 |
4th Quarter |  |  | 37,019 |  |  |  | 10,099 |  |  |  | 1,330 |  |  |  | 1,029 |  |  |  | 0.09 |
Total |  | $ | 145,817 |  |  | $ | 39,715 |  |  | $ | 5,228 |  |  | $ | 3,227 |  |  | $ | 0.26 |
|  | Sales |  |  | Gross Profit |  |  | Operating Income |  |  | Net Income |  |  | Diluted Income Per Share |
1st Quarter |  | $ | 38,706 |  |  | $ | 11,050 |  |  | $ | 2,057 |  |  | $ | 1,175 |  |  | $ | 0.09 |
2nd Quarter |  |  | 36,514 |  |  |  | 10,460 |  |  |  | 2,023 |  |  |  | 1,242 |  |  | $ | 0.09 |
3rd Quarter |  |  | 33,559 |  |  |  | 9,098 |  |  |  | 742 |  |  |  | 724 |  |  | $ | 0.06 |
4th Quarter |  |  | 35,032 |  |  |  | 10,128 |  |  |  | 2,187 |  |  |  | 1,137 |  |  | $ | 0.09 |
Total |  | $ | 143,811 |  |  | $ | 40,736 |  |  | $ | 7,009 |  |  | $ | 4,278 |  |  | $ | 0.33 |

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- Definition Tabular disclosure of the quarterly financial data in the annual financial statements. The disclosure includes financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income (loss) before extraordinary items and cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=20225539&loc=d3e1280-108306 + Details
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Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration