| Reconciliation of Numerator and Denominator Used in Calculation of Basic and Diluted Net (Loss) per Share Available to Common Stockholders |
The following is a reconciliation of the numerator (net loss or income) and the denominator (number of shares) used in the calculation of basic and diluted net (loss) income per share attributable to common stockholders (in thousands, except per share amounts):
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Three Months Ended September 30, |
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Nine Months Ended September 30, |
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2020 |
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2019 |
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2020 |
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2019 |
Numerator |
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Net (loss) income |
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$ |
(1,077) |
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$ |
3,178 |
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$ |
(9,368) |
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$ |
2,339 |
Less: Allocation of undistributed earnings to participating securities |
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— |
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(1,327) |
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— |
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|
(977) |
Net (loss) income available to common stockholders, basic |
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(1,077) |
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|
1,851 |
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(9,368) |
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|
1,362 |
Add: Adjustments to undistributed earnings allocated to participating securities |
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— |
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60 |
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— |
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|
41 |
Net (loss) income available to common stockholders, diluted |
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$ |
(1,077) |
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$ |
1,911 |
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$ |
(9,368) |
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$ |
1,403 |
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Denominator |
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Weighted average shares used in computing basic net (loss) income per share available to common stockholders |
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11,019 |
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8,731 |
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10,537 |
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|
8,721 |
Effect of dilutive stock options |
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— |
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|
708 |
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— |
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|
657 |
Effect of dilutive warrants |
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— |
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2 |
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— |
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|
1 |
Weighted average shares used in computing diluted net (loss) income per share available to common stockholders |
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11,019 |
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|
9,441 |
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10,537 |
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|
9,379 |
Basic net (loss) income per share of common stock |
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$ |
(0.10) |
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$ |
0.21 |
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$ |
(0.89) |
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$ |
0.16 |
Diluted net (loss) income per share of common stock |
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$ |
(0.10) |
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$ |
0.20 |
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$ |
(0.89) |
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$ |
0.15 |
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| Outstanding Securities Considered Anti-Dilutive |
The following table shows the weighted-average outstanding securities considered anti-dilutive and therefore excluded from the computation of diluted net (loss) income per share attributable to common stockholders (in thousands):
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Three Months Ended September 30, |
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Nine Months Ended September 30, |
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2020 |
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2019 |
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2020 |
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2019 |
Convertible preferred stock |
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5,003 |
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— |
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5,483 |
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— |
Common stock options |
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931 |
|
893 |
|
611 |
|
926 |
Warrants for common stock |
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19 |
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15 |
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21 |
|
15 |
Total |
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5,953 |
|
908 |
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6,115 |
|
941 |
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