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Financial Statement Components (Tables) | 9 Months Ended
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Sep. 30, 2017
Organization Consolidation And Presentation Of Financial Statements [Abstract] |
Selected financial statement components | The following tables provide details of selected financial statement components as of the following dates (in thousands):
|  | At |
|  | September 30, 2017 |  |  | December 31, 2016 |
Inventories: |  |  |  |  |  |  |  |
Raw materials and sub-assemblies |  | $ | 31,772 |  |  | $ | 23,506 |
Work in process |  |  | 18,280 |  |  |  | 10,347 |
Finished goods |  |  | 4,968 |  |  |  | 4,984 |
Inventories |  |  | 55,020 |  |  |  | 38,837 |
Inventories-delivered systems |  |  | 3,320 |  |  |  | 2,457 |
Total inventories |  | $ | 58,340 |  |  | $ | 41,294 |
Property, plant and equipment, net:(1) |  |  |  |  |  |  |  |
Land |  | $ | 15,571 |  |  | $ | 15,568 |
Building and improvements |  |  | 20,649 |  |  |  | 20,532 |
Machinery and equipment |  |  | 35,428 |  |  |  | 35,659 |
Furniture and fixtures |  |  | 2,289 |  |  |  | 2,282 |
Software |  |  | 9,261 |  |  |  | 9,756 |
Capital in progress |  |  | 1,825 |  |  |  | 2,748 |
Total property, plant and equipment, gross |  |  | 85,023 |  |  |  | 86,545 |
Accumulated depreciation and amortization |  |  | (42,706 | ) |  |  | (42,319 | )
Total property, plant and equipment, net |  | $ | 42,317 |  |  | $ | 44,226 |
(1) Total depreciation and amortization expense was $1.6 million and $1.7 million for the three months ended September 30, 2017 and September 24, 2016, respectively, and $5.1 million for both nine months ended September 30, 2017 and September 24, 2016. |
Other Current Liabilities: |  |  |  |  |  |  |  |
Accrued warranty |  | $ | 4,542 |  |  | $ | 3,838 |
Customer deposits |  |  | 67 |  |  |  | 581 |
Retrofit liability |  |  | 353 |  |  |  | 432 |
Accrued professional services |  |  | 784 |  |  |  | 424 |
Accrued royalties |  |  | 60 |  |  |  | 1,233 |
Other |  |  | 1,898 |  |  |  | 1,539 |
Total other current liabilities |  | $ | 7,704 |  |  | $ | 8,047 |
Components of accumulated other comprehensive income (loss) | Components of Accumulated Other Comprehensive Income (Loss)
|  | Foreign Currency Translations |  |  | Defined Benefit Pension Plans |  |  | Unrealized Income (Loss) on Investment |  |  | Accumulated Other Comprehensive Income |
Balance as of December 31, 2016 |  | $ | (5,817 | ) |  | $ | (227 | ) |  | $ | (2 | ) |  | $ | (6,046 | )
Current period change |  |  | 3,470 |  |  |  | — |  |  |  | (2 | ) |  |  | 3,468 |
Balance as of September 30, 2017 |  | $ | (2,347 | ) |  | $ | (227 | ) |  | $ | (4 | ) |  | $ | (2,578 | )

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669686-108580 + Details
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- Definition Tabular disclosure of condensed balance sheet, including, but not limited to, balance sheets of consolidated entities and consolidation eliminations. + References No definition available. + Details
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