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Net Loss Per Share (Tables) | 3 Months Ended
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Mar. 31, 2019
Net Loss Per Share |
Schedule of basic and diluted weighted average common shares outstanding | The following table (in thousands, except for loss per share) reconciles basic and diluted weighted average common shares outstanding for each of the three months ended March 31, 2019 and 2018:
|  | Three months ended |
|  | March 31, |
|  | 2019 |  | 2018 |
Weighted average common shares outstanding: |  |  |  |  |  |  |
Basic |  |  | 106,940 |  |  | 106,388 |
Dilutive unvested stock, convertible preferred stock, Common Stock Warrants and IPO Warrants |  |  | — |  |  | — |
Diluted |  |  | 106,940 |  |  | 106,388 |
Basic and diluted net loss per share attributable to common stockholders |  | $ | (0.16) |  | $ | (0.15) |
Schedule of antidilutive securities excluded from computation of earnings per share | Potentially dilutive securities not included in the diluted net loss per share computations because their effect would have been anti-dilutive were as follows (in thousands):
|  | Three months ended |
|  | March 31, |
|  | 2019 |  | 2018 |
Unvested stock (1) |  |  | 490 |  |  | 464 |
Convertible preferred stock |  |  | 11,127 |  |  | — |
Common Stock Warrants |  |  | 1,376 |  |  | — |
IPO Warrants(2) |  |  | 12,082 |  |  | 12,082 |
Total potentially dilutive common shares |  |  | 25,075 |  |  | 12,546 |
| (1) |  | Does not include 10.8 million shares and 26.4 million shares for the three months ended March 31, 2019 and 2018, respectively, of unvested stock because the performance conditions had not yet been satisfied.
| (2) |  | The IPO Warrants were issued in connection with our initial public offering in 2015. The IPO Warrants are exercisable at a price of $11.50 per share and expire on July 24, 2022. The Company may redeem the IPO Warrants at a price of $0.01 per IPO Warrant upon 30 days’ notice only if the last sale price of our common stock is at least $17.50 per share for any 20 trading days within a 30-trading day period. If the Company redeems the IPO Warrants in this manner, the Company will have the option to do so on a cashless basis with the issuance of an economically equivalent number of shares of Company common stock.

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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://www.xbrl.org/2003/role/presentationRef -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://www.xbrl.org/2003/role/presentationRef -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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