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COMPONENTS OF THE COMPANY'S CONDENSED CONSOLIDATED BALANCE SHEETS
 3 Months Ended
Mar. 31, 2018
Balance Sheet Related Disclosures [Abstract]  
Supplemental Balance Sheet Disclosures
COMPONENTS OF THE COMPANY’S CONDENSED CONSOLIDATED BALANCE SHEETS:
Accounts Receivable
(In thousands)
March 31,
2018
 
December 31,
2017
Accounts receivable trade
$
68,474

 
$
58,718

Allowances for ship and debit
(47,262
)
 
(39,486
)
Allowances for stock rotation and rebate
(2,746
)
 
(1,700
)
Allowances for doubtful accounts
(739
)
 
(734
)
Total
$
17,727

 
$
16,798


Inventories
(In thousands)
March 31,
2018
 
December 31,
2017
Raw materials
$
19,679

 
$
15,517

Work-in-process
16,716

 
16,765

Finished goods
26,813

 
24,805

Total
$
63,208

 
$
57,087


Prepaid Expenses and Other Current Assets
(In thousands)
March 31,
2018
 
December 31,
2017
Prepaid legal fees
$
1,849

 
$
213

Prepaid income tax
248

 
460

Prepaid maintenance agreements
1,978

 
856

Interest receivable
798

 
1,195

Advance to suppliers
1,601

 
1,211

Other
4,529

 
3,823

Total
$
11,003

 
$
7,758


Intangible Assets
 
March 31, 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

 
(20,025
)
 
13,245

 
33,270

 
(19,211
)
 
14,059

Customer relationships
20,030

 
(15,135
)
 
4,895

 
20,030

 
(14,621
)
 
5,409

Technology licenses
1,000

 
(20
)
 
980

 
—

 
—

 
—

In-place leases
—

 
—

 
—

 
660

 
(660
)
 
—

Total
$
60,251

 
$
(35,180
)
 
$
25,071

 
$
59,911

 
$
(34,492
)
 
$
25,419


The estimated future amortization expense related to finite-lived intangible assets at March 31, 2018, is as follows:
Fiscal Year
Estimated
Amortization
(In thousands)
2018 (remaining nine months)
$
3,919

2019
4,878

2020
3,653

2021
2,787

2022
1,709

Thereafter
2,174

Total (1)
$
19,120

_______________
(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 months ended March 31, 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
 
March 31,
 
March 31,
 
March 31,
 
March 31,
(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
(238
)
 
83

 
—

 
—

 
(37
)
 
64

 
(275
)
 
147

Amounts reclassified from accumulated other comprehensive loss
—

 
—

 
32

(1
)
49

(1
)
—

 
—

 
32

 
49

Net-current period other comprehensive income (loss)
(238
)
 
83

 
32

 
49

 
(37
)
 
64

 
(243
)
 
196

Ending balance
$
(665
)
 
$
(137
)
 
$
(1,205
)
 
$
(1,887
)
 
$
(512
)
 
$
(490
)
 
$
(2,382
)
 
$
(2,514
)
_______________
(1)
This component of accumulated other comprehensive income (loss) is included in the computation of net periodic pension cost for the three months ended March 31, 2018 and 2017.