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Organization and Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2013
Accounting Policies [Abstract] |
Weighted Average Securities Excluded from Diluted Net Loss Per Share | The weighted average of these potentially dilutive securities has been excluded from the diluted net loss per share calculation and is as follows (in thousands):
|  | Year Ended December 31, |
|  | 2013 |  |  | 2012 |  |  | 2011 |
Stock options |  |  | 12,959 |  |  |  | 13,970 |  |  |  | 11,338 |
Convertible subordinated notes |  |  | — |  |  |  | — |  |  |  | 9,989 |
Total |  |  | 12,959 |  |  |  | 13,970 |  |  |  | 21,327 |

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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