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Net Loss Per Share (Tables) | 12 Months Ended
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Dec. 31, 2021
Earnings Per Share [Abstract] |
Computation of Basic and Diluted Net Loss Per Share | The following table sets forth the computation of basic and diluted net loss per share (in thousands, except per share amounts):
|  |  | Years Ended December 31,
|  |  |  |  | 2021 |  | 2020(1) |  | 2019(1)
Numerator: |  |  |  |  |  |  |  |  |
Net loss |  |  |  |  | $ | (1,458) |  |  | $ | (6,221) |  |  | $ | (9,605) |
Denominator: |  |  |  |  |  |  |  |  |
Weighted average shares used to compute net loss per share, basic and diluted |  |  |  |  | 141,262 |  |  | 125,367 |  |  | 119,204 |
Net loss per share, basic and diluted |  |  |  |  | $ | (0.01) |  |  | $ | (0.05) |  |  | $ | (0.08) |
(1) As noted above, prior period amounts have not been adjusted due to the adoption of ASU 2020-06 under the modified retrospective method
Common Shares Outstanding Excluded from Computation of Diluted Net Loss Per Share | The following potential weighted-average shares of common stock outstanding were excluded from the computation of diluted net loss per share because including them would have been anti-dilutive (in thousands):
|  |  | Years Ended December 31,
|  |  |  |  | 2021 |  | 2020 |  | 2019
Shares related to stock plan activity |  |  |  |  | 2,545 |  |  | 4,470 |  |  | 7,094 |
Shares related to convertible senior notes |  |  |  |  | 23,300 |  |  | 4,942 |  |  | 3,526 |
Total common stock equivalents |  |  |  |  | 25,845 |  |  | 9,412 |  |  | 10,620 |

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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=124432515&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=124432515&loc=d3e3550-109257 + Details
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