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Financial Statement Components (Tables) | 9 Months Ended
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Sep. 28, 2019
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 28, 2019 |  |  | December 29, 2018 |
Inventories: |  |  |  |  |  |  |  |
Raw materials and sub-assemblies |  | $ | 38,219 |  |  | $ | 31,434 |
Work in process |  |  | 23,602 |  |  |  | 22,383 |
Finished goods |  |  | 7,870 |  |  |  | 8,098 |
Inventories |  |  | 69,691 |  |  |  | 61,915 |
Inventories-delivered systems |  |  | 117 |  |  |  | 180 |
Total inventories |  | $ | 69,808 |  |  | $ | 62,095 |
Property, plant and equipment, net:(1) |  |  |  |  |  |  |  |
Land |  | $ | 15,568 |  |  | $ | 15,571 |
Machinery and equipment |  |  | 40,027 |  |  |  | 39,898 |
Building and improvements |  |  | 26,717 |  |  |  | 21,354 |
Software |  |  | 10,621 |  |  |  | 10,116 |
Furniture and fixtures |  |  | 2,276 |  |  |  | 2,551 |
Leasehold improvements |  |  | 3,599 |  |  |  | — |
Capital in progress |  |  | 1,354 |  |  |  | 6,027 |
Total property, plant and equipment, gross |  |  | 100,162 |  |  |  | 95,517 |
Accumulated depreciation and amortization |  |  | (47,713 | ) |  |  | (47,617 | )
Total property, plant and equipment, net |  | $ | 52,449 |  |  | $ | 47,900 |
(1) Depreciation and amortization expense of property, plant and equipment was $1.9 million and $1.6 million for the three months ended September 28, 2019 and September 29, 2018, respectively, and $5.5 million and $4.9 million for the nine months ended September 28, 2019 and September 29, 2018, respectively. |
Other Current Liabilities: |  |  |  |  |  |  |  |
Accrued warranty |  | $ | 4,393 |  |  | $ | 4,379 |
Accrued taxes |  |  | 757 |  |  |  | 1,738 |
Customer deposits |  |  | 114 |  |  |  | 293 |
Accrued professional services |  |  | 1,458 |  |  |  | 448 |
Third party commissions |  |  | 452 |  |  |  | 1,382 |
Other |  |  | 1,528 |  |  |  | 1,181 |
Total other current liabilities |  | $ | 8,702 |  |  | $ | 9,421 |
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 (Loss) |
Balance as of December 29, 2018 |  | $ | (2,129 | ) |  | $ | (646 | ) |  | $ | 218 |  |  | $ | (2,557 | )
Current period change |  |  | (68 | ) |  |  | — |  |  |  | 112 |  |  |  | 44 |
Balance as of September 28, 2019 |  | $ | (2,197 | ) |  | $ | (646 | ) |  | $ | 330 |  |  | $ | (2,513 | )

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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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 3 -Paragraph i -Subsection 10 + Details
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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669686-108580 + Details
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