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Stockholders' Equity (Schedule Of Warrants) (Details) - $ / shares shares in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Apr. 01, 2017 | Dec. 31, 2016
Number of Shares |  |
Warrants outstanding, Number of Shares, Beginning balance | 4,924 | 7,633
Warrants granted, Number of Shares |  |
Warrants exercised, Number of Shares |  | (2,709)
Warrants outstanding, Number of Shares, Ending balance | 4,924 | 4,924
Weighted-Average Exercise Price |  |
Warrants outstanding, Weighted-Average Exercise Price, Beginning balance | $ 0.66 | $ 0.59
Warrants granted, Weighted-Average Exercise Price |  |
Warrants exercised, Weighted-Average Exercise Price |  | 0.47
Warrants outstanding, Weighted-Average Exercise Price, Ending balance | $ 0.66 | $ 0.66

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- Definition Exercise price per share or per unit 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=26873400&loc=d3e23780-122690 + Details
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