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COMPONENTS OF THE COMPANY'S CONDENSED CONSOLIDATED BALANCE SHEETS | 9 Months Ended
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Sep. 30, 2018
Balance Sheet Related Disclosures [Abstract] |
Supplemental Balance Sheet Disclosures | COMPONENTS OF THE COMPANY’S CONDENSED CONSOLIDATED BALANCE SHEETS: 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 |
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 |
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 |
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 |
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.
Accumulated Other Comprehensive 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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