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Net Income (Loss) Per Share (Tables) | 9 Months Ended
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Sep. 30, 2019
Earnings Per Share [Abstract] |
Summary of Computation of Net Income (Loss) Per Share | The following table presents the computation of net income (loss) per share (in thousands except per share data):
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2019 |  |  | 2018 |  |  | 2019 |  |  | 2018 |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  | $ | (135 | ) |  | $ | 437 |  |  | $ | 863 |  |  | $ | (3,858 | )
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average common shares outstanding - basic |  |  | 9,711 |  |  |  | 9,566 |  |  |  | 9,678 |  |  |  | 9,495 |
Plus dilutive effect of potential common shares |  |  | — |  |  |  | 527 |  |  |  | 405 |  |  |  | — |
Weighted average common shares outstanding - diluted |  |  | 9,711 |  |  |  | 10,093 |  |  |  | 10,083 |  |  |  | 9,495 |
Net income (loss) per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | (0.01 | ) |  | $ | 0.05 |  |  | $ | 0.09 |  |  | $ | (0.41 | )
Diluted |  | $ | (0.01 | ) |  | $ | 0.04 |  |  | $ | 0.09 |  |  | $ | (0.41 | )
Summary of Potentially Dilutive Securities | Potentially dilutive securities not included in the calculation of diluted net income (loss) per share because to do so would be anti-dilutive are as follows (in thousands):
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2019 |  |  | 2018 |  |  | 2019 |  |  | 2018 |
Employee stock options |  |  | 721 |  |  |  | 245 |  |  |  | 457 |  |  |  | 887 |
Warrants outstanding |  |  | 51 |  |  |  | 51 |  |  |  | — |  |  |  | 51 |
Total |  |  | 772 |  |  |  | 296 |  |  |  | 457 |  |  |  | 938 |

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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