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Net Income (Loss) Per Share | 9 Months Ended
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Sep. 30, 2021
Earnings Per Share [Abstract] |
Net Income (Loss) Per Share |
9. | Net Income (Loss) Per Share
Basic earnings and loss per share are computed by dividing the net income or loss available to common stockholders by the weighted average number of common shares outstanding during the period as defined by ASC Topic 260, Earnings Per Share. Diluted earnings per share is computed using the weighted average number of common shares and, if dilutive, potential common shares outstanding during the period. Potential common shares consist of the incremental common shares issuable upon the exercise of stock options (using the treasury stock method). To the extent stock options are antidilutive, they are excluded from the calculation of diluted income per share. For the three and nine months ended September 30, 2021, 517,972 and 496,421 of shares issuable upon the exercise of outstanding stock options, respectively, were not included in the computation of diluted net income (loss) per share because their inclusion would be antidilutive. For the nine months ended September 30, 2021, 21,551 of shares issuable upon the exercise of outstanding stock options, respectively, were included in the computation of diluted net income (loss) per share from operations because their inclusion would be dilutive. For the three and nine months ended September 30, 2020, 625,502 and 629,671, respectively, of shares issuable upon the exercise of outstanding stock options were not included in the computation of diluted net income (loss) per share from operations because their inclusion would be antidilutive. For the three and nine months ended September 30, 2020, 6,254 and 2,085 of shares issuable upon the exercise of outstanding stock options, respectively, were included in the computation of diluted net income (loss) per share from operations because their inclusion would be dilutive. The following table summarizes the net income (loss) per share calculation for the periods presented:
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, |  |  | September 30, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Net income (loss) from operations – basic and diluted |  | $ | (409,036 | ) |  | $ | 746,848 |  |  | $ | 1,329,377 |  |  | $ | 840,005 |
Weighted average shares outstanding – basic |  |  | 7,718,034 |  |  |  | 6,889,334 |  |  |  | 7,179,953 |  |  |  | 6,877,335 |
Weighted average shares outstanding – diluted |  |  | 7,718,034 |  |  |  | 6,895,588 |  |  |  | 7,201,504 |  |  |  | 6,879,440 |
Per share data: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic from operations |  | $ | (0.05 | ) |  | $ | 0.11 |  |  | $ | 0.19 |  |  | $ | 0.12 |
Diluted from operations |  | $ | (0.05 | ) |  | $ | 0.11 |  |  | $ | 0.18 |  |  | $ | 0.12 |

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