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Income (loss) per share (Tables) | 6 Months Ended
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Jun. 30, 2019
Earnings Per Share [Abstract] |
Schedule of Basic and Diluted Earnings (Loss) Per Share | For the three and six months ended June 30, 2019 and 2018, basic and diluted income (loss) per share was as follows:
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
(In thousands, except share data) |  | 2019 |  | 2018 |  | 2019 |  | 2018
Numerator: |  |  |  |  |  |  |  |  |
Net income (loss) from continuing operations |  | $ | 715 |  |  | $ | 2,645 |  |  | $ | 1,760 |  |  | $ | (2,913 | )
Net loss from discontinued operations |  | — |  |  | — |  |  | — |  |  | (21,124 | )
Net income (loss) |  | $ | 715 |  |  | $ | 2,645 |  |  | $ | 1,760 |  |  | $ | (24,037 | )
Denominator: |  |  |  |  |  |  |  |  |  |
Weighted average shares outstanding |  | 76,487,160 |  |  | 75,282,042 |  |  | 76,056,652 |  |  | 71,318,930 |
Weighted average restricted shares vested not delivered |  | 2,901,223 |  |  | 2,914,917 |  |  | 3,240,947 |  |  | 3,566,816 |
Total basic weighted average shares outstanding |  | 79,388,383 |  |  | 78,196,959 |  |  | 79,297,599 |  |  | 74,885,746 |
Dilutive effect of assumed conversion of restricted stock units |  | 1,408,277 |  |  | — |  |  | 882,263 |  |  | — |
Dilutive effect of assumed conversion of warrants |  | 329,808 |  |  | — |  |  | 262,567 |  |  | — |
Dilutive effect of assumed conversion of stock options |  | 5,836 |  |  | — |  |  | 1,101 |  |  | — |
Total weighted average diluted shares outstanding |  | 81,132,304 |  |  | 78,196,959 |  |  | 80,443,530 |  |  | 74,885,746 |
Basic and diluted income (loss) per share: (1) |  |  |  |  |  |  |  |  |  |
Basic: |  |  |  |  |  |  |  |
Continuing operations |  | $ | 0.01 |  |  | $ | 0.03 |  |  | $ | 0.02 |  |  | $ | (0.04 | )
Discontinued operations |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | (0.28 | )
Net income (loss) |  | $ | 0.01 |  |  | $ | 0.03 |  |  | $ | 0.02 |  |  | $ | (0.32 | )
Diluted: |  |  |  |  |  |  |  |
Continuing operations |  | $ | 0.01 |  |  | $ | 0.03 |  |  | $ | 0.02 |  |  | $ | (0.04 | )
Discontinued operations |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | (0.28 | )
Net income (loss) |  | $ | 0.01 |  |  | $ | 0.03 |  |  | $ | 0.02 |  |  | $ | (0.32 | )
(1)Income (loss) per share tables may contain summation differences due to rounding.
Schedule of Antidilutive Securities Excluded from Computation of Earnings (Loss) per Share | The following potentially dilutive securities were excluded from the calculation of diluted income (loss) per share, as their effects would have been anti-dilutive for the periods presented:
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | 2019 |  | 2018 |  | 2019 |  | 2018
Restricted stock units |  | 110,000 |  |  | 3,750,003 |  |  | 1,740,502 |  |  | 6,664,920 |
Stock options |  | 2,060,000 |  |  | 2,623,776 |  |  | 2,060,000 |  |  | 2,623,776 |
Warrants |  | 1,350,000 |  |  | 137,000 |  |  | 1,350,000 |  |  | 137,000 |
Total anti-dilutive securities |  | 3,520,000 |  |  | 6,510,779 |  |  | 5,150,502 |  |  | 9,425,696 |

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + 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 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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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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