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Net Loss Per Common Share (Tables) | 3 Months Ended
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Mar. 31, 2020
Earnings Per Share [Abstract] |
Schedule of net loss attributable to common shareholders and share data used in the basic and diluted earnings per share computations using the two class method | The following reflects the net loss attributable to common shareholders and share data used in the basic and diluted earnings per share computations using the two class method:
|  | Three Months Ended March 31,
(Amounts in thousands, except per share amounts) |  | 2020 |  | 2019
Numerator: |  |  |  |  |  |
Net loss |  | $ | (4,705 | ) |  | $ | (2,844 | )
Denominator: |  |  |  |  |  |
Basic and diluted EPS: weighted-average common shares outstanding |  | 44,924 |  |  | 43,725 |
Net loss per share attributable to common shareholders (basic and diluted) |  | $ | (0.10 | ) |  | $ | (0.07 | )
Anti-dilutive shares excluded from the calculation of diluted earnings per share(a) (amounts in millions): |  |  |  |
Stock options |  | 6.2 |  |  | 6.0 |
Restricted stock unit awards |  | 0.3 |  |  | 0.2 |
Warrants |  | — |  |  | 0.1 |
(a) Common equivalent shares are not included in the diluted per share calculation where the effect of their inclusion would be 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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