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Balance Sheet Components (Details) - USD ($) $ in Thousands | Apr. 02, 2017 | Jan. 01, 2017
--- | --- | ---
Inventories: |  |
Work-in-process | $ 2,239 | $ 1,538
Finished goods | 622 | 479
Inventories | 2,861 | 2,017
Other current assets: |  |
Prepaid expenses | 836 | 960
Other | 141 | 163
Other current assets | 977 | 1,123
Property and equipment: |  |
Property and equipment, gross | 15,050 | 14,897
Accumulated depreciation and amortization | (12,484) | (12,132)
Property and equipment, net | 2,566 | 2,765
Accrued liabilities: |  |
Employee related accruals | 1,632 | 1,222
Other | 384 | 358
Accrued liabilities | 2,016 | 1,580
Equipment |  |
Property and equipment: |  |
Property and equipment, gross | 11,552 | 11,524
Software |  |
Property and equipment: |  |
Property and equipment, gross | 2,749 | 2,624
Furniture and fixtures |  |
Property and equipment: |  |
Property and equipment, gross | 41 | 41
Leasehold improvements |  |
Property and equipment: |  |
Property and equipment, gross | $ 708 | $ 708

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