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Note 12 - Treasury Stock Transactions (Details) (USD $) In Millions, except Share data, unless otherwise specified | 12 Months Ended | 69 Months Ended |  | 9 Months Ended |
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Dec. 28, 2013 Stock Repurchase Program 2010 [Member] | Sep. 27, 2014 Stock Repurchase Program 2010 [Member] | Feb. 28, 2010 Stock Repurchase Program 2010 [Member] | Sep. 27, 2014 Stock Repurchase Program 2013 [Member] | Oct. 28, 2013 Stock Repurchase Program 2013 [Member]
Note 12 - Treasury Stock Transactions (Details) [Line Items] |  |  |  |  |
Stock Repurchase Program, Authorized Amount |  |  | $ 7.5 |  | $ 5.0
Treasury Stock, Shares, Acquired | 15,450 | 1,473,306 |  | 0 |
Treasury Stock Acquired, Average Cost Per Share | $ 5.35 | $ 5.09 |  |  |
Treasury Stock, Value, Acquired, Cost Method |  | $ 7.5 |  |  |

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- Definition Total cost of shares repurchased divided by the total number of shares repurchased. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
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- Definition Number of shares that have been repurchased during the period and are being held in treasury. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
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