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Net Loss Per Share (Tables) | 6 Months Ended
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Jun. 30, 2021
Earnings Per Share [Abstract] |
Summary of Computation of Net Loss Per Share | The following table presents the computation of net loss per share (in thousands except per share data):
|  | Three months ended June 30, |  |  | Six months ended June 30, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Net loss |  | $ | (2,609 | ) |  | $ | (736 | ) |  | $ | (2,372 | ) |  | $ | (1,938 | )
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Basic weighted average common shares outstanding |  |  | 10,026 |  |  |  | 9,683 |  |  |  | 9,948 |  |  |  | 9,686 |
Plus dilutive effect of potential common shares |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Diluted weighted average common shares outstanding |  |  | 10,026 |  |  |  | 9,683 |  |  |  | 9,948 |  |  |  | 9,686 |
Net loss per share: |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | (0.26 | ) |  | $ | (0.08 | ) |  | $ | (0.24 | ) |  | $ | (0.20 | )
Diluted |  | $ | (0.26 | ) |  | $ | (0.08 | ) |  | $ | (0.24 | ) |  | $ | (0.20 | )
Summary of Potentially Dilutive Securities | Potentially dilutive securities (in common stock equivalent shares) not included in the calculation of diluted net loss per share because to do so would be anti-dilutive are as follows (in thousands):
|  | Three months ended June 30, |  |  | Six months ended June 30, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Stock options and restricted stock |  |  | 1,307 |  |  |  | 1,847 |  |  |  | 1,318 |  |  |  | 1,762 |
Warrants outstanding |  |  | 4 |  |  |  | 51 |  |  |  | 25 |  |  |  | 51 |
Employee Stock Purchase Plan shares |  |  | — |  |  |  | — |  |  |  | 2 |  |  |  | — |
Total common stock equivalent shares |  |  | 1,311 |  |  |  | 1,898 |  |  |  | 1,345 |  |  |  | 1,813 |

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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://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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