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Net Income (Loss) per Share | 12 Months Ended
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Dec. 31, 2021
Earnings Per Share [Abstract] |
Net Income (Loss) per Share | Note 14. Net Income (Loss) per Share The following table summarizes the computation of basic and diluted net income (loss) per share (in thousands, except share and per share data):
| Year Ended December 31, |
| 2021 |  |  | 2020 |  |  | 2019 |
Numerator: |  |  |  |  |  |  |  |
Net income (loss) | $ | (4,431 | ) |  | $ | 1,225 |  |  | $ | 1,798 |
Denominator: |  |  |  |  |  |  |  |
Weighted-average shares outstanding, basic |  | 11,647,558 |  |  |  | 11,408,757 |  |  |  | 11,302,780 |
Weighted-average shares outstanding, diluted |  | 11,647,558 |  |  |  | 11,730,294 |  |  |  | 11,846,348 |
Net income (loss) per share, basic | $ | (0.38 | ) |  | $ | 0.11 |  |  | $ | 0.16 |
Net income (loss) per share, diluted | $ | (0.38 | ) |  | $ | 0.10 |  |  | $ | 0.15 |
The following potentially dilutive shares outstanding at the end of the periods presented were excluded in the calculation of diluted net income (loss) per share as the effect would have been anti-dilutive:
| Year Ended December 31, |
| 2021 |  |  | 2020 |  |  | 2019 |
Options to purchase common stock |  | 783,928 |  |  |  | 573,340 |  |  |  | 269,202 |
Unvested restricted stock units |  | 128,810 |  |  |  | 101,255 |  |  |  | 54,620 |
Total |  | 912,738 |  |  |  | 674,595 |  |  |  | 323,822 |

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