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Net Loss Per Share (Tables) | 12 Months Ended
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Dec. 31, 2013
Net Loss Per Share [Abstract] |
Basic and diluted for net loss per share |
(in thousands, except per share amounts) |  | Years ended December 31, |
|  | 2013 |  |  | 2012 |  |  | 2011 |
BASIC AND DILUTED |  |  |  |  |  |  |  |  |
Weighted average number of common shares outstanding |  |  | 35,266 |  |  |  | 33,003 |  |  |  | 26,784 |
Net loss |  | $ | (13,080 | ) |  | $ | (9,287 | ) |  | $ | (17,145 | )
Net loss per shares basic and diluted |  | $ | (0.37 | ) |  | $ | (0.28 | ) |  | $ | (0.64 | )

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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