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Income (Loss) Per Share (Tables) | 3 Months Ended
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Mar. 31, 2021
Earnings Per Share [Abstract] |
Schedule of Excluded Weighted-Average Potential Common Shares from Calculations of Diluted Net Income (Loss) Per Common Shares | We excluded the following weighted-average potential common shares from the calculations of diluted net loss per common share during the applicable periods because their inclusion would have been anti-dilutive:
|  | Three Months Ended |
|  | March 31, |
(in thousands) |  | 2021 |  | 2020 |
Convertible preferred stock (as converted to common stock) |  |  | 6,494 |  |  | — |
Unvested restricted share-based awards |  |  | 38 |  |  | 84 |
Stock options |  |  | 57 |  |  | 16 |

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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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