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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2016
Income Tax Disclosure [Abstract] |
Components of Loss Before Income Taxes | The components of loss before income taxes are presented below:
| Year Ended December 31,
| 2016 |  | 2015 |  | 2014
Domestic | $ | (157,067 | ) |  | $ | (69,287 | ) |  | $ | (83,256 | )
Foreign | (37,084 | ) |  | (17,691 | ) |  | (2,463 | )
Loss before income taxes | $ | (194,151 | ) |  | $ | (86,978 | ) |  | $ | (85,719 | )
Components of Income Tax Expense (Benefit) | The components of income tax expense (benefit) are presented below:
| Year Ended December 31,
| 2016 |  | 2015 |  | 2014
U.S. federal income taxes: |  |  |  |  |
Current | $ | (17 | ) |  | $ | 22 |  |  | $ | — |
Deferred | 1,396 |  |  | 1,732 |  |  | — |
Foreign income taxes: |  |  |  |  |
Current | (393 | ) |  | (123 | ) |  | (103 | )
Deferred | (5,177 | ) |  | (1,003 | ) |  | — |
State income taxes: |  |  |  |  |
Deferred | 314 |  |  | 388 |  |  | — |
Income tax expense (benefit) | $ | (3,877 | ) |  | $ | 1,016 |  |  | $ | (103 | )
Schedule of Effective Income Tax Rate Reconciliation | Income tax expense (benefit) for the years ended December 31, 2016, 2015 and 2014 differed from amounts computed by applying the applicable U.S. federal corporate income tax rate of 34% to loss before income taxes as a result of the following:
| 2016 |  | 2015 |  | 2014
Computed statutory income tax benefit | $ | (66,011 | ) |  | $ | (29,573 | ) |  | $ | (29,144 | )
State and provincial income tax benefit, net of federal income taxes | (7,905 | ) |  | (3,157 | ) |  | (3,544 | )
Nondeductible stock based compensation | 3,321 |  |  | 3,182 |  |  | 1,386 |
Nondeductible officer compensation | — |  |  | 2,433 |  |  | — |
Contribution of services by shareholder | — |  |  | — |  |  | 677 |
Research and development tax incentives | (6,350 | ) |  | (348 | ) |  | 258 |
Acquisition and internal restructuring transaction costs | 571 |  |  | 883 |  |  | — |
Enacted change in tax rates | — |  |  | (961 | ) |  | — |
U.S.-foreign rate differential | 3,463 |  |  | 620 |  |  | — |
Other, net | 1,485 |  |  | (98 | ) |  | 1,503 |
| (71,426 | ) |  | (27,019 | ) |  | (28,864 | )
Change in valuation allowance for deferred tax assets | 67,549 |  |  | 28,035 |  |  | 28,761 |
Total income tax expense (benefit) | $ | (3,877 | ) |  | $ | 1,016 |  |  | $ | (103 | )
Schedule of Deferred Tax Assets and Liabilities | The tax effects of temporary differences that comprise the deferred tax assets and liabilities as of December 31, 2016 and 2015, are as follows:
| 2016 |  | 2015
Deferred tax assets |  |  |
Allowance for doubtful accounts | $ | 1,676 |  |  | $ | 1,056 |
Inventory | 447 |  |  | 967 |
Equity securities and investments in affiliates | 31,729 |  |  | 10,413 |
Accrued liabilities and long-term debt | 4,168 |  |  | 4,585 |
Stock-based compensation | 8,460 |  |  | 7,223 |
Deferred revenue | 68,056 |  |  | 31,637 |
Research and development tax credits | 10,396 |  |  | 9,113 |
Net operating and capital loss carryforwards | 144,502 |  |  | 135,633 |
Total deferred tax assets | 269,434 |  |  | 200,627 |
Less: Valuation allowance | 256,165 |  |  | 190,174 |
Net deferred tax assets | 13,269 |  |  | 10,453 |
Deferred tax liabilities |  |  |
Property, plant and equipment | 406 |  |  | 160 |
Intangible assets | 29,870 |  |  | 32,095 |
Total deferred tax liabilities | 30,276 |  |  | 32,255 |
Net deferred tax liabilities | $ | (17,007 | ) |  | $ | (21,802 | )
Summary of Valuation Allowance | Activity within the valuation allowance for deferred tax assets during the years ended December 31, 2016, 2015 and 2014 was as follows:
| 2016 |  | 2015 |  | 2014
Valuation allowance at beginning of year | $ | 190,174 |  |  | $ | 161,660 |  |  | $ | 131,985 |
Increase (decrease) in valuation allowance as a result of |  |  |  |  |
Mergers and acquisitions, net | (1,416 | ) |  | 1,228 |  |  | 914 |
Current year operations | 67,549 |  |  | 28,035 |  |  | 28,761 |
Foreign currency translation adjustment | (142 | ) |  | (749 | ) |  | — |
Valuation allowance at end of year | $ | 256,165 |  |  | $ | 190,174 |  |  | $ | 161,660 |

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