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COMPONENTS OF THE COMPANY'S CONDENSED CONSOLIDATED BALANCE SHEETS (Tables) | 9 Months Ended
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Sep. 30, 2018
Balance Sheet Related Disclosures [Abstract] |
Schedule of Accounts Receivable | Accounts Receivable
(In thousands) | September 30, 2018 |  | December 31, 2017
Accounts receivable trade | $ | 61,197 |  |  | $ | 58,718 |
Allowances for ship and debit | (42,794 | ) |  | (39,486 | )
Allowances for stock rotation and rebate | (3,757 | ) |  | (1,700 | )
Allowances for doubtful accounts | (904 | ) |  | (734 | )
Total | $ | 13,742 |  |  | $ | 16,798 |
Schedule of Inventory, Current | Inventories
(In thousands) | September 30, 2018 |  | December 31, 2017
Raw materials | $ | 32,264 |  |  | $ | 15,517 |
Work-in-process | 16,438 |  |  | 16,765 |
Finished goods | 25,499 |  |  | 24,805 |
Total | $ | 74,201 |  |  | $ | 57,087 |
Schedule of Prepaid Expenses and Other Current Assets | Prepaid Expenses and Other Current Assets
(In thousands) | September 30, 2018 |  | December 31, 2017
Prepaid legal fees | $ | 1,917 |  |  | $ | 213 |
Prepaid income tax | 996 |  |  | 460 |
Prepaid maintenance agreements | 1,630 |  |  | 856 |
Interest receivable | 457 |  |  | 1,195 |
Advance to suppliers | 2,867 |  |  | 1,211 |
Other | 4,706 |  |  | 3,823 |
Total | $ | 12,573 |  |  | $ | 7,758 |
Schedule Of Intangible Assets | Intangible Assets
| September 30, 2018 |  | December 31, 2017
(In thousands) | Gross |  | Accumulated Amortization |  | Net |  | Gross |  | Accumulated Amortization |  | Net
Domain name | $ | 1,261 |  |  | $ | — |  |  | $ | 1,261 |  |  | $ | 1,261 |  |  | $ | — |  |  | $ | 1,261 |
In-process research and development | 4,690 |  |  | — |  |  | 4,690 |  |  | 4,690 |  |  | — |  |  | 4,690 |
Developed technology | 33,270 |  |  | (21,651 | ) |  | 11,619 |  |  | 33,270 |  |  | (19,211 | ) |  | 14,059 |
Customer relationships | 20,030 |  |  | (16,065 | ) |  | 3,965 |  |  | 20,030 |  |  | (14,621 | ) |  | 5,409 |
Technology licenses | 1,000 |  |  | (83 | ) |  | 917 |  |  | — |  |  | — |  |  | — |
In-place leases | — |  |  | — |  |  | — |  |  | 660 |  |  | (660 | ) |  | — |
Total | $ | 60,251 |  |  | $ | (37,799 | ) |  | $ | 22,452 |  |  | $ | 59,911 |  |  | $ | (34,492 | ) |  | $ | 25,419 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense | The estimated future amortization expense related to finite-lived intangible assets at September 30, 2018, is as follows:
Fiscal Year | Estimated Amortization (In thousands)
2018 (remaining three months) | $ | 1,300 |
2019 | 4,878 |
2020 | 3,653 |
2021 | 2,787 |
2022 | 1,709 |
Thereafter | 2,174 |
Total (1) | $ | 16,501 |
_______________
(1) | The total above excludes $4.7 million of in-process research and development that will be amortized, upon completion of development, over the estimated useful life of the technology.
Schedule of Accumulated Other Comprehensive Income (Loss) | Changes in accumulated other comprehensive loss for the three and nine months ended September 30, 2018 and 2017, were as follows:
| Unrealized Gains and Losses on Marketable Securities |  | Defined Benefit Pension Items |  | Foreign Currency Items |  | Total
| Three Months Ended |  | Three Months Ended |  | Three Months Ended |  | Three Months Ended
| September 30, |  | September 30, |  | September 30, |  | September 30,
(In thousands) | 2018 |  | 2017 |  | 2018 |  | 2017 |  | 2018 |  | 2017 |  | 2018 |  | 2017
Beginning balance | $ | (439 | ) |  | $ | (122 | ) |  | $ | (1,174 | ) |  | $ | (1,838 | ) |  | $ | (475 | ) |  | $ | (459 | ) |  | $ | (2,088 | ) |  | $ | (2,419 | )
Other comprehensive income (loss) before reclassifications | 165 |  |  | 47 |  |  | — |  |  | — |  |  | (184 | ) |  | 2 |  |  | (19 | ) |  | 49 |
Amounts reclassified from accumulated other comprehensive loss | — |  |  | — |  |  | 31 |  | (1) | 50 |  | (1) | — |  |  | — |  |  | 31 |  |  | 50 |
Net-current period other comprehensive income (loss) | 165 |  |  | 47 |  |  | 31 |  |  | 50 |  |  | (184 | ) |  | 2 |  |  | 12 |  |  | 99 |
Ending balance | $ | (274 | ) |  | $ | (75 | ) |  | $ | (1,143 | ) |  | $ | (1,788 | ) |  | $ | (659 | ) |  | $ | (457 | ) |  | $ | (2,076 | ) |  | $ | (2,320 | )
_______________
(1) | This component of accumulated other comprehensive income (loss) is included in the computation of net periodic pension cost for the three months ended September 30, 2018 and 2017.
| Unrealized Gains and Losses on Marketable Securities |  | Defined Benefit Pension Items |  | Foreign Currency Items |  | Total
| Nine Months Ended |  | Nine Months Ended |  | Nine Months Ended |  | Nine Months Ended
| September 30, |  | September 30, |  | September 30, |  | September 30,
(In thousands) | 2018 |  | 2017 |  | 2018 |  | 2017 |  | 2018 |  | 2017 |  | 2018 |  | 2017
Beginning balance | $ | (427 | ) |  | $ | (220 | ) |  | $ | (1,237 | ) |  | $ | (1,936 | ) |  | $ | (475 | ) |  | $ | (554 | ) |  | $ | (2,139 | ) |  | $ | (2,710 | )
Other comprehensive income (loss) before reclassifications | 153 |  |  | 145 |  |  | — |  |  | — |  |  | (184 | ) |  | 97 |  |  | (31 | ) |  | 242 |
Amounts reclassified from accumulated other comprehensive loss | — |  |  | — |  |  | 94 |  | (1) | 148 |  | (1) | — |  |  | — |  |  | 94 |  |  | 148 |
Net-current period other comprehensive income (loss) | 153 |  |  | 145 |  |  | 94 |  |  | 148 |  |  | (184 | ) |  | 97 |  |  | 63 |  |  | 390 |
Ending balance | $ | (274 | ) |  | $ | (75 | ) |  | $ | (1,143 | ) |  | $ | (1,788 | ) |  | $ | (659 | ) |  | $ | (457 | ) |  | $ | (2,076 | ) |  | $ | (2,320 | )
______________
(1) | This component of accumulated other comprehensive income (loss) is included in the computation of net periodic pension cost for the nine months ended September 30, 2018 and 2017.

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