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Shareholders' Equity (Details 4) (USD $) In Thousands, except Per Share data, unless otherwise specified | 12 Months Ended |  |  | 1 Months Ended | 3 Months Ended |  |  | 1 Months Ended | 3 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 28, 2013 | Dec. 27, 2013 | Oct. 21, 2009 | May 31, 2010 GE Common Stock Warrant | Dec. 31, 2009 GE Common Stock Warrant | Apr. 30, 2010 GE Common Stock Warrant | Oct. 21, 2009 GE Common Stock Warrant | May 31, 2010 Non Employee Member Stock Warrant | Dec. 31, 2009 Non Employee Member Stock Warrant | May 13, 2010 Non Employee Member Stock Warrant
Warrants [Line Items] |  |  |  |  |  |  |  |  |  |
Exercise Price of warrant |  |  |  |  |  | 0.73 | 0.75 |  |  | 3.55
Number of shares of common stock which can be purchased |  |  |  |  |  | 254 | 248 |  |  | 24
Warrants Fair Value |  |  |  |  |  |  | $ 479 |  |  |
Fair value per share |  |  |  |  |  |  | $ 1.93 |  |  | $ 3.03
Warrant exercisable period |  |  |  | 10 years | 10 years |  |  | 2 years | 0 years |
Share Price |  | $ 2.90 | $ 1.97 |  |  |  |  |  |  |
Number of shares in the money | 191 |  |  |  |  |  |  |  |  |

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- Definition The exercise price of each class of warrants or rights outstanding. + 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)(4)) -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph i -Subparagraph 4 -Article 4 + Details
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- Definition The specified number of securities that each class of warrants or rights outstanding give the holder the right but not the obligation to purchase from the issuer at a specific price, on or before a certain date. + 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=6881521&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph i -Subparagraph 2 -Article 4 + Details
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