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Stockholders' Equity (Tables) | 3 Months Ended
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Mar. 30, 2013
Stockholders' Equity [Abstract] |
Schedule Of Common Stock Options Activity |
|  |  | Options Outstanding
|  |  |  |  |  | Weighted-
|  |  |  |  |  | Average
|  |  | Number of |  |  | Exercise
|  |  | Shares |  |  | Price
Options outstanding at December 29, 2012 |  |  | 4,752 |  | $ | 3.22
Options granted |  |  | 1,370 |  |  | 0.71
Options exercised |  |  | (79) |  |  | 0.30
Options cancelled |  |  | (260) |  |  | 2.19
Options outstanding at March 30, 2013 |  |  | 5,783 |  | $ | 3.20
Schedule Of Restricted Stock Awards |
|  |  | Restricted Stock Outstanding
|  |  |  |  |  | Weighted-
|  |  |  |  |  | Average
|  |  |  |  |  | Grant-Date
|  |  | Number of |  |  | Fair Value
|  |  | Shares |  |  | per Share
Balance outstanding at December 29, 2012 |  |  | 158 |  | $ | 3.32
Restricted stock forfeited |  |  | (4) |  |  | 3.49
Restricted stock vested |  |  | (49) |  |  | 3.40
Balance outstanding at March, 2013 |  |  | 105 |  | $ | 3.26
Schedule Of Assumptions Used To Calculate Weighted-Average Grant Date Fair Value Of Common Stock Options Granted |
|  |  | Three Months Ended |
|  |  | March 30, |  |  | March 31, |
|  |  | 2013 |  |  | 2012 |
Expected term (in years) |  |  | 6.1 |  |  | 6.1 |
Expected volatility |  |  | 127 | % |  | 127 | %
Risk-free interest rate |  |  | 1.13 | % |  | 1.12 | %
Expected dividends |  |  | - |  |  | - |
Weighted-average grant date fair value per share |  | $ | 0.62 |  | $ | 3.11 |

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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited 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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- 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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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + 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 (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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