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Net Loss Per Share (Tables) | 6 Months Ended
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Jun. 30, 2022
Earnings Per Share [Abstract] |
Schedule of Calculation of Basic and Diluted Net Loss Per Share | The following table sets forth the computation of basic and diluted net loss per share (in millions of dollars, except share and per share amounts):
|  | Quarter Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net loss |  | $ | (13.8 | ) |  | $ | (22.4 | ) |  | $ | (5.7 | ) |  | $ | (17.9 | )
Denominator – Weighted-average common shares outstanding (in thousands): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  |  | 15,899 |  |  |  | 15,835 |  |  |  | 15,883 |  |  |  | 15,820 |
Add: dilutive effect of non-vested common shares, restricted stock units and performance shares1 |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Diluted |  |  | 15,899 |  |  |  | 15,835 |  |  |  | 15,883 |  |  |  | 15,820 |
Net loss per common share, Basic: |  | $ | (0.87 | ) |  | $ | (1.42 | ) |  | $ | (0.36 | ) |  | $ | (1.13 | )
Net loss per common share, Diluted: |  | $ | (0.87 | ) |  | $ | (1.42 | ) |  | $ | (0.36 | ) |  | $ | (1.13 | )
1 | Quantities in the following discussion are denoted in whole shares. For the quarters ended June 30, 2022 and June 30, 2021 and the six months ended June 30, 2022 and June 30, 2021, approximately 157,000, 226,000, 161,000 and 214,000 shares, respectively, were excluded from the computation of net loss per share as their inclusion would have been anti‑dilutive.

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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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