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Consolidated Balance Sheet Detail - Schedule of Inventories/Prepaid/PP&E (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Inventories: |  |
Work-in-process | $ 746 | $ 548
Finished goods | 222 | 600
Total | 968 | 1,148
Prepaid expenses and other: |  |
Prepaid IC material and production costs | 174 | 620
Prepaid insurance | 122 | 128
Prepaid software | 24 | 28
Refundable tax | 61 | 86
Other | 91 | 61
Total | 472 | 923
Property and equipment, net: |  |
Property and equipment, gross | 4,362 | 4,609
Less: Accumulated depreciation and amortization | (4,165) | (4,330)
Property and equipment, net | 197 | 279
Equipment, furniture and fixtures and leasehold improvements |  |
Property and equipment, net: |  |
Property and equipment, gross | 4,239 | 4,486
Acquired software |  |
Property and equipment, net: |  |
Property and equipment, gross | $ 123 | $ 123

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