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v3.19.1

Consolidated Balance Sheet Detail (Tables) | 3 Months Ended
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Mar. 31, 2019
Inventories | Inventories, net consists of the following:
|  | As of |
|  | March 31, |  |  | December 31, |
|  | 2019 |  |  | 2018 |
|  | (Amounts in thousands) |
Raw materials |  | $ | 26,899 |  |  | $ | 24,937 |
Work-in-process |  |  | 5,437 |  |  |  | 5,185 |
Finished products |  |  | 12,584 |  |  |  | 12,141 |
Total inventories, net |  | $ | 44,920 |  |  | $ | 42,263 |
Property, Plant and Equipment | Property, plant and equipment consist of the following:
|  | As of |
|  | March 31, |  |  | December 31, |
|  | 2019 |  |  | 2018 |
|  | (Amounts in thousands) |
Land |  | $ | 1,023 |  |  | $ | 1,023 |
Buildings |  |  | 764 |  |  |  | 764 |
Leasehold improvements |  |  | 22,782 |  |  |  | 16,259 |
Equipment |  |  | 26,332 |  |  |  | 24,092 |
Furniture and fixtures |  |  | 6,362 |  |  |  | 5,448 |
Construction in progress (1) |  |  | 6,826 |  |  |  | 12,906 |
Other |  |  | 50 |  |  |  | — |
Total property, plant and equipment |  |  | 64,139 |  |  |  | 60,492 |
Less - Accumulated depreciation |  |  | (29,613 | ) |  |  | (28,312 | )
Total property, plant and equipment, net |  | $ | 34,526 |  |  | $ | 32,180 |
| (1) | Construction in progress as of December 31, 2018 included $ 7.3 million for the buildout of our Marlborough facility, which was put into service and began depreciating on January 1, 2019, $ 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:
|  | As of |
|  | March 31, |  |  | December 31, |
|  | 2019 |  |  | 2018 |
|  | (Amounts in thousands) |
Employee compensation |  | $ | 6,329 |  |  | $ | 9,953 |
Taxes |  |  | 1,155 |  |  |  | 1,024 |
Royalty and license fees |  |  | 645 |  |  |  | 242 |
Accrued purchases |  |  | 527 |  |  |  | 683 |
Warranties |  |  | 600 |  |  |  | 546 |
Professional fees |  |  | 941 |  |  |  | 942 |
Deferred revenue |  |  | 1,287 |  |  |  | 1,290 |
Other |  |  | 1,276 |  |  |  | 1,185 |
Total accrued liabilities |  | $ | 12,760 |  |  | $ | 15,865 |

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