Quarterly report pursuant to Section 13 or 15(d)

Loss Per Share

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Loss Per Share
6 Months Ended
Jun. 30, 2013
Earnings Per Share [Abstract]  
LOSS PER SHARE
LOSS PER SHARE
Basic loss per share is computed by dividing our net loss by the weighted average number of shares outstanding during the period. Diluted loss per share is computed by dividing our net loss by the weighted average number of shares outstanding and the impact of all dilutive potential common shares, primarily stock options. The dilutive impact of common stock options and common stock warrants is determined by applying the “treasury stock” method. Potentially dilutive shares issuable pursuant to the Notes (defined in Note 6) were not included in the computation of net loss per share for the three and six months ended June 30, 2013, because their inclusion would be anti-dilutive.
Also, a total of 29,701,838 and 27,416,029 potential shares of Common Stock have been excluded from the calculation of net loss per share for the three months ended June 30, 2013 and 2012, respectively, because their inclusion would be anti-dilutive. A total of 29,910,492 and 27,243,783 potential shares of Common Stock have been excluded from the calculation of net loss per share for the six months ended June 30, 2013 and 2012, respectively, because their inclusion would be anti-dilutive.
During the three months ended June 30, 2013, 216,053 Common Stock options and Common Stock warrants to purchase shares of our Common Stock were exercised and issued.
During the six months ended June 30, 2013, 1,727,746 Common Stock options and Common Stock warrants to purchase shares of our Common Stock were exercised, resulting in the issuance of 1,612,232 shares of Common Stock. Of the 1,727,746 Common Stock options and Common Stock warrants exercised, 115,514 shares of Common Stock were surrendered in lieu of a cash payment via the net exercise feature of the warrant agreements.