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Financial Statement Components (Tables) | 6 Months Ended
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Jun. 30, 2018
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 |
|  | June 30, 2018 |  |  | December 30, 2017 |
Inventories: |  |  |  |  |  |  |  |
Raw materials and sub-assemblies |  | $ | 29,880 |  |  | $ | 32,187 |
Work in process |  |  | 17,655 |  |  |  | 13,498 |
Finished goods |  |  | 6,703 |  |  |  | 7,175 |
Inventories |  |  | 54,238 |  |  |  | 52,860 |
Inventories-delivered systems |  |  | 1,855 |  |  |  | 1,534 |
Total inventories |  | $ | 56,093 |  |  | $ | 54,394 |
Property, plant and equipment, net:(1) |  |  |  |  |  |  |  |
Land |  | $ | 15,571 |  |  | $ | 15,573 |
Building and improvements |  |  | 21,195 |  |  |  | 20,880 |
Machinery and equipment |  |  | 40,235 |  |  |  | 36,380 |
Furniture and fixtures |  |  | 2,461 |  |  |  | 2,420 |
Software |  |  | 9,806 |  |  |  | 9,558 |
Capital in progress |  |  | 1,108 |  |  |  | 4,418 |
Total property, plant and equipment, gross |  |  | 90,376 |  |  |  | 89,229 |
Accumulated depreciation and amortization |  |  | (47,326 | ) |  |  | (44,419 | )
Total property, plant and equipment, net |  | $ | 43,050 |  |  | $ | 44,810 |
(1) Total depreciation and amortization expense was $1.6 million and $1.6 million for the three months ended June 30, 2018 and July 1, 2017, respectively, and $3.3 million and $3.4 million for the six months ended June 30, 2018 and July 1, 2017, respectively. |
Other Current Liabilities: |  |  |  |  |  |  |  |
Accrued warranty |  | $ | 4,906 |  |  | $ | 4,863 |
Accrued taxes |  |  | 1,926 |  |  |  | 813 |
Accrued professional services |  |  | 496 |  |  |  | 534 |
Other |  |  | 1,180 |  |  |  | 1,039 |
Total other current liabilities |  | $ | 8,508 |  |  | $ | 7,249 |
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 30, 2017 |  | $ | (1,647 | ) |  | $ | (387 | ) |  | $ | (90 | ) |  | $ | (2,124 | )
Current period change |  |  | (568 | ) |  |  | — |  |  |  | (37 | ) |  |  | (605 | )
Balance as of June 30, 2018 |  | $ | (2,215 | ) |  | $ | (387 | ) |  | $ | (127 | ) |  | $ | (2,729 | )

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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=114867106&loc=SL7669686-108580 + Details
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