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Note 13 - Preferred Stock and Warrants (Details Textual) - USD ($) $ in Thousands |  |  | 12 Months Ended
--- | --- | --- | ---
Dec. 27, 2016 | Nov. 02, 2015 | Dec. 31, 2015
Stock Redeemed or Called During Period, Value |  |  | $ 71,900
Stock Issued During Period, Shares, Redemption of Warrants | 378,495 |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | 423,977 |  |
Series B Preferred Stock [Member] |  |  |
Stock Redeemed or Called During Period, Shares |  | 56,600 |
Series C Preferred Stock [Member] |  |  |
Stock Redeemed or Called During Period, Shares |  | 15,300 |
Preferred Stock, Series B & C [Member] |  |  |
Stock Redeemed or Called During Period, Value |  | $ 71,960 |

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- Definition Number of new stock issued during the period due to the redemption of warrants. + References No definition available. + Details
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- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition Number of stock bought back by the entity at the exercise price or redemption price. + References Reference 1: 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 + Details
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- Definition Equity impact of the value of stock bought back by the entity at the exercise price or redemption price. + References Reference 1: 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 + Details
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