Quarterly report pursuant to Section 13 or 15(d)

Net Loss Per Share

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Net Loss Per Share
9 Months Ended
Sep. 30, 2013
Net Loss Per Share [Text Block]

Note 2. Net Loss Per Share

     Basic net loss per share is computed using the weighted-average number of common shares outstanding during the reporting period. Diluted net income per share is computed using the weighted-average number of common shares and, if dilutive, potential common shares outstanding during the reporting period. Potential common shares consist of the incremental common shares issuable upon the exercise of stock options, warrants, restricted shares, and unvested common shares subject to repurchase or cancellation. The dilutive effect of outstanding stock options, restricted stock units, and warrants is not reflected in diluted earnings per share because we incurred net losses for the three months and nine months ended September 30, 2013 and 2012, and the effect of including these potential common shares in the diluted earnings per share calculations would be anti-dilutive and are therefore not included in the calculations.