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Net loss per common share | 9 Months Ended
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Sep. 30, 2014
Net loss per common share | 4. Net loss per common share Basic net loss per share excludes dilution for potentially dilutive securities and is computed by dividing net loss applicable to common stockholders by the weighted average number of common shares outstanding during the period excluding the shares loaned to Bank of America, N.A. under a share lending arrangement (see Note 7 — Common and preferred stock). As of September 30, 2014, 9,000,000 shares of the Company’s common stock loaned to Bank of America pursuant to the terms of a share lending agreement as described in Note 7, were issued and are outstanding, and the holder of the borrowed shares has all the rights of a holder of the Company’s common stock. However, because the share borrower must return all borrowed shares to the Company (or, in certain circumstances, the cash value thereof), the borrowed shares are not considered outstanding for the purpose of computing and reporting basic or diluted earnings (loss) per share. Diluted net loss per share reflects the potential dilution that could occur if securities or other contracts to issue common stock were exercised or converted into common stock. Potentially dilutive securities are excluded from the computation of diluted net loss per share for all of the periods presented in the accompanying condensed consolidated statements of operations because the reported net loss in each of these periods results in their inclusion being antidilutive. Antidilutive securities, which consist of stock options, restricted stock units, warrants, and shares that could be issued upon conversion of the senior convertible notes, that are not included in the diluted net loss per share calculation consisted of an aggregate of 47,820,744 shares and 133,944,425 shares as of September 30, 2014 and 2013, respectively, and exclude the 9,000,000 shares loaned under the share lending arrangement.

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