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Financial Statement Components | 6 Months Ended
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Jun. 30, 2018
Organization Consolidation And Presentation Of Financial Statements [Abstract] |
Financial Statement Components | Note 6. 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)
|  | 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 | )
The items above, except for unrealized income (loss) on investment, did not impact the Company’s income tax provision. The amounts reclassified from each component of accumulated other comprehensive income (loss) into income statement line items were insignificant.

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- Definition The entire disclosure for supplemental balance sheet disclosures, including descriptions and amounts for assets, liabilities, and equity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -URI http://asc.fasb.org/topic&trid=2122208 + Details
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