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DETAILS OF CERTAIN FINANCIAL STATEMENT COMPONENTS (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015
Inventories |  |
Raw materials | $ 738 | $ 681
Work-in-process | 357 | 172
Finished goods | 173 | 162
Total inventories | 1,268 | 1,015
Property, plant and equipment, net |  |
Property and equipment, Gross | 1,428 | 1,237
Less: accumulated depreciation | (1,118) | (1,061)
Total property, plant and equipment, net | 310 | 176
Depreciation expense | 57 | 46
Retired or disposed of property, plant and equipment, cost | 0 | 1,500
Intangibles, net |  |
Total intangibles, net | 44 | 13
Amortization expense | 9 | 10
Future amortization |  |
2017 | 11 |
2018 | 11 |
2019 | 8 |
2020 | 8 |
2021 | 6 |
Accrued expenses and other accrued liabilities |  |
Accrued warranty | 2 | 14
Accrued wages and benefits | 195 | 194
Accrued taxes, other than income taxes | 5 | 7
Accrued vacation | 77 | 68
Accrued other | 55 | 21
Total accrued liabilities | 334 | 304
Patents and trademarks |  |
Intangibles, net |  |
Intangibles, gross | 360 | 321
Less: accumulated amortization | (316) | (308)
Total intangibles, net | 44 | 13
Furniture, machinery and equipment |  |
Property, plant and equipment, net |  |
Property and equipment, Gross | 914 | 910
Leasehold improvements |  |
Property, plant and equipment, net |  |
Property and equipment, Gross | $ 514 | $ 327

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