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Acquisitions (Tables) | 12 Months Ended
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Dec. 31, 2018
Business Combinations [Abstract] |
Schedule of Business Acquisitions | The fair value of consideration totaled approximately $533.7 million summarized as follows:
| Fair Value
Cash consideration | $ | 49,221 |
Fair value of PTC common stock issued | 155,860 |
Estimated fair value of deferred consideration payable | 38,100 |
Estimated fair value of contingent consideration payable | 290,500 |
Total consideration | $ | 533,681 |
Preliminary Allocation and Purchase Consideration | The following table presents the preliminary allocation of the purchase price to the estimated fair values of the assets acquired and liabilities assumed as of the acquisition date of August 23, 2018, the measurement period adjustments recorded during the period from the acquisition date through December 31, 2018, and the final allocation of the purchase price as of December 31, 2018.
| Preliminary Allocation as of the acquisition date of August 23, 2018 |  | Measurement Period Adjustments |  | Final Allocation as of December 31, 2018
Cash and cash equivalents | $ | 328 |  |  | $ | — |  |  | $ | 328 |
Prepaid expenses and other current assets | 181 |  |  | — |  |  | 181 |
Fixed assets | 153 |  |  | — |  |  | 153 |
Other assets | 38 |  |  | — |  |  | 38 |
Intangible assets - IPR&D | 480,000 |  |  | 96,500 |  |  | 576,500 |
Accounts payable and accrued expenses | (3,828 | ) |  | — |  |  | (3,828 | )
Deferred tax liability | (115,200 | ) |  | (6,832 | ) |  | (122,032 | )
Fair value of net assets acquired | $ | 361,672 |  |  | $ | 89,668 |  |  | $ | 451,340 |
Goodwill | 100,309 |  |  | (17,968 | ) |  | 82,341 |
Total purchase price | $ | 461,981 |  |  | $ | 71,700 |  |  | $ | 533,681 |
Purchase price |  | $ | 152,353 |
Total fair value of tangible assets acquired and liabilities assumed: |  |
Inventory |  | 3,980 |
Emflaza rights |  | $ | 148,373 |
Business Acquisition, Pro Forma Information | The following table summarizes certain supplemental pro forma financial information for the twelve-month periods ended December 31, 2018 and 2017 as if the Merger had occurred as of January 1, 2017. The unaudited pro-forma financial information for the twelve-month period ended December 31, 2018 reflects adjustments of $1.7 million related to acquisition fees that are non-recurring in nature. There were no adjustments related to the twelve-month period ended December 31, 2017.
| Twelve Months Ended December 31,
| 2018 | 2017
Revenues | $ | 264,734 |  | $ | 194,392 |
Net loss attributable to common stockholders | $ | (138,083 | ) | $ | (93,333 | )
Schedule of Purchase Price | The following tables present the total purchase consideration and the preliminary allocation of the purchase consideration for the Transaction as of April 20, 2017 (the “Acquisition Date”):
Cash consideration |  | $ | 75,000 |
Fair value of PTC common stock issued to Marathon (6,683,598 shares) |  | 75,190 |
Acquisition costs |  | 2,163 |
Total preliminary consideration transferred |  | $ | 152,353 |

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