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Balance Sheet Components (Details) - USD ($) $ in Thousands | Jun. 28, 2020 | Dec. 29, 2019
--- | --- | ---
Inventories: |  |
Raw materials | $ 222 | $ 222
Work-in-process | 2,145 | 2,370
Finished goods | 685 | 668
Inventories | 3,052 | 3,260
Other current assets: |  |
Prepaid taxes, royalties and other prepaid expenses | 975 | 1,296
Other | 187 | 269
Other current assets | 1,162 | 1,565
Property and equipment, net: |  |
Property and equipment, gross | 13,010 | 12,993
Less: Accumulated depreciation and amortization | (12,419) | (12,163)
Property and equipment, net | 591 | 830
Capitalized internal-use software, net: |  |
Capitalized software | 761 | 365
Less: Accumulated amortization | (89) | (32)
Internal use software net | 672 | 333
Accrued liabilities: |  |
Employee related accruals | 537 | 713
Other | 353 | 420
Accrued liabilities | 890 | 1,133
Equipment |  |
Property and equipment, net: |  |
Property and equipment, gross | 10,676 | 10,694
Software |  |
Property and equipment, net: |  |
Property and equipment, gross | 1,789 | 1,789
Furniture and fixtures |  |
Property and equipment, net: |  |
Property and equipment, gross | 36 | 36
Leasehold improvements |  |
Property and equipment, net: |  |
Property and equipment, gross | $ 509 | $ 474

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