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COMPONENTS OF THE COMPANY'S CONDENSED CONSOLIDATED BALANCE SHEETS | 9 Months Ended
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Sep. 30, 2019
Balance Sheet Related Disclosures [Abstract] |
Supplemental Balance Sheet Disclosures | COMPONENTS OF THE COMPANY’S CONDENSED CONSOLIDATED BALANCE SHEETS: Accounts Receivable
(In thousands) | September 30, 2019 |  | December 31, 2018
Accounts receivable trade | $ | 61,056 |  |  | $ | 54,055 |
Allowances for ship and debit | (30,678 | ) |  | (40,118 | )
Allowances for stock rotation and rebate | (3,796 | ) |  | (2,159 | )
Allowances for doubtful accounts | (763 | ) |  | (706 | )
Total | $ | 25,819 |  |  | $ | 11,072 |
Inventories
(In thousands) | September 30, 2019 |  | December 31, 2018
Raw materials | $ | 38,286 |  |  | $ | 41,138 |
Work-in-process | 22,727 |  |  | 15,612 |
Finished goods | 27,697 |  |  | 24,107 |
Total | $ | 88,710 |  |  | $ | 80,857 |
Prepaid Expenses and Other Current Assets
(In thousands) | September 30, 2019 |  | December 31, 2018
Prepaid legal fees | $ | 1,906 |  |  | $ | 181 |
Prepaid income tax | 4,028 |  |  | 3,081 |
Prepaid maintenance agreements | 1,062 |  |  | 2,047 |
Interest receivable | 1,286 |  |  | 595 |
Advance to suppliers | 3,074 |  |  | 2,157 |
Other | 3,960 |  |  | 3,854 |
Total | $ | 15,316 |  |  | $ | 11,915 |
Intangible Assets
| September 30, 2019 |  | December 31, 2018
(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 |
Developed technology | 37,960 |  |  | (24,993 | ) |  | 12,967 |  |  | 33,270 |  |  | (22,464 | ) |  | 10,806 |
Customer relationships | 20,030 |  |  | (17,720 | ) |  | 2,310 |  |  | 20,030 |  |  | (16,520 | ) |  | 3,510 |
Technology licenses | 1,926 |  |  | (226 | ) |  | 1,700 |  |  | 1,000 |  |  | (115 | ) |  | 885 |
Total | $ | 61,177 |  |  | $ | (42,939 | ) |  | $ | 18,238 |  |  | $ | 60,251 |  |  | $ | (39,099 | ) |  | $ | 21,152 |
The estimated future amortization expense related to finite-lived intangible assets at September 30, 2019, is as follows:
Fiscal Year | Estimated Amortization (In thousands)
2019 (remaining three months) | $ | 1,380 |
2020 | 4,355 |
2021 | 3,489 |
2022 | 2,411 |
2023 | 2,169 |
Thereafter | 3,173 |
Total | $ | 16,977 |
Accumulated Other Comprehensive Loss Changes in accumulated other comprehensive loss for three and nine months ended September 30, 2019 and 2018, 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) | 2019 |  | 2018 |  | 2019 |  | 2018 |  | 2019 |  | 2018 |  | 2019 |  | 2018
Beginning balance | $ | 325 |  |  | $ | (439 | ) |  | $ | (678 | ) |  | $ | (1,174 | ) |  | $ | (983 | ) |  | $ | (475 | ) |  | $ | (1,336 | ) |  | $ | (2,088 | )
Other comprehensive income (loss) before reclassifications | 208 |  |  | 165 |  |  | — |  |  | — |  |  | 27 |  |  | (184 | ) |  | 235 |  |  | (19 | )
Amounts reclassified from accumulated other comprehensive loss | — |  |  | — |  |  | 17 |  | (1 | ) | 31 |  | (1 | ) | — |  |  | — |  |  | 17 |  |  | 31 |
Net-current period other comprehensive income (loss) | 208 |  |  | 165 |  |  | 17 |  |  | 31 |  |  | 27 |  |  | (184 | ) |  | 252 |  |  | 12 |
Ending balance | $ | 533 |  |  | $ | (274 | ) |  | $ | (661 | ) |  | $ | (1,143 | ) |  | $ | (956 | ) |  | $ | (659 | ) |  | $ | (1,084 | ) |  | $ | (2,076 | )
_______________
(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, 2019 and 2018.
| 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) | 2019 |  | 2018 |  | 2019 |  | 2018 |  | 2019 |  | 2018 |  | 2019 |  | 2018
Beginning balance | $ | (266 | ) |  | $ | (427 | ) |  | $ | (712 | ) |  | $ | (1,237 | ) |  | $ | (711 | ) |  | $ | (475 | ) |  | $ | (1,689 | ) |  | $ | (2,139 | )
Other comprehensive income (loss) before reclassifications | 799 |  |  | 153 |  |  | — |  |  | — |  |  | (245 | ) |  | (184 | ) |  | 554 |  |  | (31 | )
Amounts reclassified from accumulated other comprehensive loss | — |  |  | — |  |  | 51 |  | (1 | ) | 94 |  | (1 | ) | — |  |  | — |  |  | 51 |  |  | 94 |
Net-current period other comprehensive income (loss) | 799 |  |  | 153 |  |  | 51 |  |  | 94 |  |  | (245 | ) |  | (184 | ) |  | 605 |  |  | 63 |
Ending balance | $ | 533 |  |  | $ | (274 | ) |  | $ | (661 | ) |  | $ | (1,143 | ) |  | $ | (956 | ) |  | $ | (659 | ) |  | $ | (1,084 | ) |  | $ | (2,076 | )
_______________ (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, 2019 and 2018.

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