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2. NET LOSS PER SHARE (Tables) | 6 Months Ended
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Jun. 30, 2022
Earnings Per Share [Abstract] |
Components of Basic and Diluted Net Loss Per Share | The components of basic and diluted net loss per share were as follows (in thousands, except loss per share data): Components of Basic and Diluted Net Loss Per Share
|  |  | Three Months Ended |  |  | Six Months Ended
|  |  | June 30, |  |  | June 30,
|  |  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Net loss available for common shareholders - basic and diluted |  | $ | (13,597) |  | $ | (14,962) |  | $ | (26,765) |  | $ | (21,193)
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average common shares outstanding - basic and diluted |  |  | 165,238 |  |  | 158,818 |  |  | 164,902 |  |  | 157,136
Net loss per share - basic and diluted |  | $ | (0.08) |  | $ | (0.09) |  | $ | (0.16) |  | $ | (0.13)

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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 https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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