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Weighted Average Common Shares | 12 Months Ended
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Dec. 31, 2014
Weighted Average Common Shares [Abstract] |
Weighted Average Common Shares | 12. Weighted Average Common Shares
|  | At December 31,
|  | 2014 |  | 2013
Basic common shares |  | 82,294,331 |  | 81,813,386
Diluted common shares |  | 82,294,331 |  | 81,813,386
Stock options to purchase 2,257,500 and 2,882,500 common shares, unvested RSUs representing 3,692,829 and 2,594,464 common shares, and warrants to purchase 1 5,219,802 and 19,977,743 common shares were outstanding at December 31, 2014 and 2013, respectively, but were not included in the computation of diluted weighted average common shares outstanding because their effect would have been anti-dilutive.

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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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