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Loss per share (Tables) | 9 Months Ended
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Sep. 30, 2023
Earnings Per Share [Abstract] |
Computations for Basic and Diluted Loss Per Share | The computations for basic and diluted loss per share are as follows:
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, |  |  | September 30, |
|  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
Net loss |  | $ | (6,154 | ) |  | $ | (9,910 | ) |  | $ | (7,652 | ) |  | $ | (2,886 | )
Weighted-average common shares outstanding — basic |  |  | 66,532 |  |  |  | 66,111 |  |  |  | 66,419 |  |  |  | 66,010 |
Effect of stock options and restricted stock units |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Weighted-average common shares outstanding — diluted |  |  | 66,532 |  |  |  | 66,111 |  |  |  | 66,419 |  |  |  | 66,010 |
Loss per share — basic |  | $ | (0.09 | ) |  | $ | (0.15 | ) |  | $ | (0.12 | ) |  | $ | (0.04 | )
Loss per share — diluted |  | $ | (0.09 | ) |  | $ | (0.15 | ) |  | $ | (0.12 | ) |  | $ | (0.04 | )

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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 -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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