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COMPONENTS OF THE COMPANY'S CONDENSED CONSOLIDATED BALANCE SHEETS (Tables)
 6 Months Ended
Jun. 30, 2018
Balance Sheet Related Disclosures [Abstract]  
Schedule of Accounts Receivable
Accounts Receivable
(In thousands)
June 30,
2018
 
December 31,
2017
Accounts receivable trade
$
55,128

 
$
58,718

Allowances for ship and debit
(44,660
)
 
(39,486
)
Allowances for stock rotation and rebate
(2,874
)
 
(1,700
)
Allowances for doubtful accounts
(751
)
 
(734
)
Total
$
6,843

 
$
16,798
Schedule of Inventory, Current
Inventories
(In thousands)
June 30,
2018
 
December 31,
2017
Raw materials
$
25,421

 
$
15,517

Work-in-process
15,403

 
16,765

Finished goods
28,000

 
24,805

Total
$
68,824

 
$
57,087
Schedule of Prepaid Expenses and Other Current Assets
Prepaid Expenses and Other Current Assets
(In thousands)
June 30,
2018
 
December 31,
2017
Prepaid legal fees
$
151

 
$
213

Prepaid income tax
864

 
460

Prepaid maintenance agreements
1,695

 
856

Interest receivable
690

 
1,195

Advance to suppliers
2,546

 
1,211

Other
4,673

 
3,823

Total
$
10,619

 
$
7,758
Schedule Of Intangible Assets
Intangible Assets
 
June 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

 
(20,838
)
 
12,432

 
33,270

 
(19,211
)
 
14,059

Customer relationships
20,030

 
(15,610
)
 
4,420

 
20,030

 
(14,621
)
 
5,409

Technology licenses
1,000

 
(52
)
 
948

 
—

 
—

 
—

In-place leases
—

 
—

 
—

 
660

 
(660
)
 
—

Total
$
60,251

 
$
(36,500
)
 
$
23,751

 
$
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 June 30, 2018, is as follows:
Fiscal Year
Estimated
Amortization
(In thousands)
2018 (remaining six months)
$
2,599

2019
4,878

2020
3,653

2021
2,787

2022
1,709

Thereafter
2,174

Total (1)
$
17,800

_______________
(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 six months ended June 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
 
June 30,
 
June 30,
 
June 30,
 
June 30,
(In thousands)
2018
 
2017
 
2018
 
2017
 
2018
 
2017
 
2018
 
2017
Beginning balance
$
(665
)
 
$
(137
)
 
$
(1,205
)
 
$
(1,887
)
 
$
(512
)
 
$
(490
)
 
$
(2,382
)
 
$
(2,514
)
Other comprehensive income before reclassifications
226

 
15

 
—

 
—

 
37

 
31

 
263

 
46

Amounts reclassified from accumulated other comprehensive loss
—

 
—

 
31

(1)
49

(1)
—

 
—

 
31

 
49

Net-current period other comprehensive income
226

 
15

 
31

 
49

 
37

 
31

 
294

 
95

Ending balance
$
(439
)
 
$
(122
)
 
$
(1,174
)
 
$
(1,838
)
 
$
(475
)
 
$
(459
)
 
$
(2,088
)
 
$
(2,419
)
_______________
(1)
This component of accumulated other comprehensive income (loss) is included in the computation of net periodic pension cost for the three months ended June 30, 2018 and 2017.
 
Unrealized Gains and Losses on Marketable Securities
 
Defined Benefit Pension Items
 
Foreign Currency Items
 
Total
 
Six Months Ended
 
Six Months Ended
 
Six Months Ended
 
Six Months Ended
 
June 30,
 
June 30,
 
June 30,
 
June 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
(12
)
 
98

 
—

 
—

 
—

 
95

 
(12
)
 
193

Amounts reclassified from accumulated other comprehensive loss
—

 
—

 
63

(1)
98

(1)
—

 
—

 
63

 
98

Net-current period other comprehensive income (loss)
(12
)
 
98

 
63

 
98

 
—

 
95

 
51

 
291

Ending balance
$
(439
)
 
$
(122
)
 
$
(1,174
)
 
$
(1,838
)
 
$
(475
)
 
$
(459
)
 
$
(2,088
)
 
$
(2,419
)
______________
(1)
This component of accumulated other comprehensive income (loss) is included in the computation of net periodic pension cost for the six months ended June 30, 2018 and 2017.