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2. NET LOSS PER SHARE (Tables) | 9 Months Ended
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Sep. 30, 2021
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 |  |  | Nine Months Ended
|  |  | September 30, |  |  | September 30,
|  |  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Net loss available for common shareholders - basic and diluted |  | $ | (9,382) |  | $ | (2,826) |  | $ | (30,575) |  | $ | (10,064)
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average common shares outstanding - basic and diluted |  |  | 163,985 |  |  | 143,685 |  |  | 159,452 |  |  | 137,027
Net loss per share - basic and diluted |  | $ | (0.06) |  | $ | (0.02) |  | $ | (0.19) |  | $ | (0.07)

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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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