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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2016
Income Tax Disclosure [Abstract] |
Schedule of Income before Income Tax, Domestic and Foreign | The following is a geographical breakdown of income before the provision for (benefit from) income taxes:
| Year Ended
| December 31, 2016 |  | December 31, 2015 |  | December 31, 2014
| (In thousands)
Domestic | $ | 1,471 |  |  | $ | 51,089 |  |  | $ | 48,327 |
Foreign | (3,419 | ) |  | (4,845 | ) |  | 177 |
Income before provision for (benefit from) income taxes | $ | (1,948 | ) |  | $ | 46,244 |  |  | $ | 48,504 |
Schedule of Components of Income Tax Expense (Benefit) | The provision for (benefit from) income taxes consists of the following:
| Year Ended
| December 31, 2016 |  | December 31, 2015 |  | December 31, 2014
| (In thousands)
Current: |  |  |  |  |
Federal | $ | 6,724 |  |  | $ | 13,840 |  |  | $ | 14,063 |
State | 1,323 |  |  | 2,475 |  |  | 2,274 |
Foreign | 46 |  |  | 203 |  |  | 192 |
Total current income taxes | 8,093 |  |  | 16,518 |  |  | 16,529 |
Deferred: |  |  |  |  |
Federal | (3,378 | ) |  | 846 |  |  | 1,603 |
State | (1,802 | ) |  | (379 | ) |  | 84 |
Foreign | (5,464 | ) |  | (1,501 | ) |  | (230 | )
Total deferred income taxes | (10,644 | ) |  | (1,034 | ) |  | 1,457 |
Total provision for (benefit from) income taxes | $ | (2,551 | ) |  | $ | 15,484 |  |  | $ | 17,986 |
Schedule of Effective Income Tax Rate Reconciliation | The provision for (benefit from) income taxes differs from the amount computed by applying the statutory federal tax rate as follows:
| Year Ended
| December 31, 2016 |  | December 31, 2015 |  | December 31, 2014
| (In thousands)
U.S. federal tax provision at statutory rate | $ | (682 | ) |  | $ | 16,181 |  |  | $ | 16,998 |
State taxes | (311 | ) |  | 1,365 |  |  | 1,533 |
Non-deductible expenses | 1,212 |  |  | 551 |  |  | 809 |
Acquisition costs | 845 |  |  | 239 |  |  | 229 |
Share-based compensation expense | 1,941 |  |  | 748 |  |  | 461 |
Research tax credits | (2,075 | ) |  | (1,324 | ) |  | (818 | )
Domestic production deduction | (890 | ) |  | (1,133 | ) |  | (1,127 | )
Gain on investment | — |  |  | (1,205 | ) |  | — |
Tax audit settlement | (2,499 | ) |  | — |  |  | — |
Other | (92 | ) |  | 62 |  |  | (99 | )
Total provision for (benefit from) income taxes | $ | (2,551 | ) |  | $ | 15,484 |  |  | $ | 17,986 |
Schedule of Deferred Tax Assets and Liabilities | Significant components of the Company's deferred tax assets (liabilities) are as follows:
| December 31, 2016 |  | December 31, 2015
| (In thousands)
Deferred tax assets (liabilities): |  |  |
Deferred revenue | $ | 5,857 |  |  | $ | 14,020 |
Stock compensation | 6,451 |  |  | 6,034 |
Inventory related items | 2,915 |  |  | 2,541 |
Tax credit carry forwards | 4,871 |  |  | 2,579 |
Reserves and accruals | 929 |  |  | — |
Loss carry forwards | 8,077 |  |  | 667 |
Other, net | 847 |  |  | 697 |
Total net deferred tax assets | 29,947 |  |  | 26,538 |
Intangibles | (57,427 | ) |  | (28,213 | )
Depreciation and amortization | (20,071 | ) |  | (17,185 | )
Reserves and accruals | — |  |  | (601 | )
Other, net | — |  |  | — |
Total deferred tax liabilities | (77,498 | ) |  | (45,999 | )
Net deferred tax liabilities | $ | (47,551 | ) |  | $ | (19,461 | )
Schedule of Unrecognized Tax Benefits | The aggregate change in the balance of gross unrecognized tax benefits, which excludes interest and penalties, for the three years ended December 31, 2016 is as follows:
| (In thousands)
Year Ended December 31, 2013 | 7,974 |
Increases related to tax positions taken during a prior period | 63 |
Decreases related to tax positions taken during the prior period | (89 | )
Increases related to tax positions taken during the current period | 801 |
Decreases related to settlements | — |
Decreases related to expiration of statute of limitations | (264 | )
Year Ended December 31, 2014 | 8,485 |
Increases related to tax positions taken during a prior period | 37 |
Decreases related to tax positions taken during the prior period | (895 | )
Increases related to tax positions taken during the current period | 1,807 |
Decreases related to settlements | — |
Decreases related to expiration of statute of limitations | (284 | )
Year Ended December 31, 2015 | 9,150 |
Increases related to tax positions taken during a prior period | 244 |
Decreases related to tax positions taken during the prior period | (1,980 | )
Increases related to tax positions taken during the current period | 6,724 |
Decreases related to settlements | (2,178 | )
Decreases related to expiration of statute of limitations | (344 | )
Year Ended December 31, 2016 | $ | 11,616 |

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