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Consolidated Balance Sheet Detail (Tables)
12 Months Ended
Dec. 31, 2018
Inventories
Inventories, net consists of the following:
 
 
 
December 31,
 
 
 
2018
 
 
2017
 
 
 
(Amounts in thousands)
 
Raw materials
 
$
24,937
 
 
$
22,351
 
Work-in-process
 
 
5,185
 
 
 
4,083
 
Finished products
 
 
12,141
 
 
 
12,570
 
Total inventories, net
 
$
42,263
 
 
$
39,004
 
Prepaid Expenses and Other Current Assets
Prepaid expenses and other current assets consist of the following:
 
 
 
December 31,
 
 
 
2018
 
 
2017
 
 
 
(Amounts in thousands)
 
Equipment maintenance and services
 
$
1,677
 
 
$
1,091
 
Prepaid taxes
 
 
843
 
 
 
311
 
Prepaid insurance
 
 
629
 
 
 
594
 
Deferred costs
 
 
55
 
 
 
67
 
Other
 
 
697
 
 
 
218
 
Total prepaid expenses and other current assets
 
$
3,901
 
 
$
2,281
 
Property, Plant and Equipment
Property, plant and equipment consist of the following:
 
 
 
 
 
 
 
 
 
December 31,
 
 
 
2018
 
 
2017
 
 
 
(Amounts in thousands)
 
Land
 
$
1,023
 
 
$
1,023
 
Buildings
 
 
764
 
 
 
764
 
Leasehold improvements
 
 
16,259
 
 
 
15,673
 
Equipment
 
 
24,092
 
 
 
21,904
 
Furniture and fixtures
 
 
5,448
 
 
 
4,272
 
Construction in progress
(1)
 
 
12,906
 
 
 
2,581
 
Total property, plant and equipment
 
 
60,492
 
 
 
46,217
 
Less - Accumulated depreciation
 
 
(28,312
)
 
 
(23,800
)
Total property, plant and equipment, net
 
$
32,180
 
 
$
22,417
 
 
 
(1)
Construction in progress as of December 31, 2018 includes $7.3 million for the buildout of our Marlborough facility, $2.1 million in capitalized internal-use software development costs and $2.1 million for a casting machine, among other projects.
Accrued Liabilities
Accrued liabilities consist of the following:
 
 
 
December 31,
 
 
 
2018
 
 
2017
 
 
 
(Amounts in thousands)
 
Employee compensation
 
$
9,953
 
 
$
9,560
 
Taxes
 
 
1,024
 
 
 
1,668
 
Royalty and license fees
 
 
242
 
 
 
1,383
 
Accrued purchases
 
 
683
 
 
 
1,191
 
Warranties
 
 
546
 
 
 
598
 
Professional fees
 
 
942
 
 
 
947
 
Deferred revenue
 
 
1,290
 
 
 
960
 
Other
 
 
1,185
 
 
 
1,622
 
Total accrued liabilities
 
$
15,865
 
 
$
17,929