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Net Income (Loss) per Share of Common Stock | 9 Months Ended
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Sep. 30, 2016
Earnings Per Share [Abstract] |
Net Income (Loss) per Share of Common Stock | Note 9 – Net Income (Loss) per Share of Common Stock For all periods, basic net income (loss) per share is calculated by dividing net income (loss) by the weighted-average common shares outstanding. Diluted net income per share in profitable periods reflects the effect of all potentially dilutive common shares outstanding by dividing net income by the weighted-average of all common and potentially dilutive shares outstanding. Weighted-average shares related to potentially dilutive stock options of 616,968 for the three months ended September 30, 2015, and 127,299 and 221,667 for the nine months ended September 30, 2016 and 2015, respectively, were not used to compute diluted net income (loss) per share because the effects would have been anti-dilutive. For the three months ended September 30, 2016, all weighted-average shares related to potentially dilutive stock options were used to compute diluted net income (loss) per share.

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