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BALANCE SHEET DETAILS | 12 Months Ended
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Dec. 31, 2018
Balance Sheet Related Disclosures [Abstract] |
BALANCE SHEET DETAILS | NOTE 6-BALANCE SHEET DETAILS The following tables provide details of selected balance sheet items:
|  | December 31, |  |  | December 31, |
|  | 2018 |  |  | 2017 |
|  | (in thousands) |
Inventories: |  |  |  |  |  |
Raw materials |  | $ | 1,665 |  |  | $ | 3,610 |
Work in process |  |  | 2,992 |  |  |  | 2,674 |
Finished goods(1) |  |  | 21,731 |  |  |  | 10,855 |
Total Inventory |  | $ | 26,388 |  |  | $ | 17,139 |
(1) | Includes finished goods at customer sites of approximately $14.4 million and $10.6 million at December 31, 2018 and 2017, respectively, for which the customer has taken possession, but based on specific contractual terms, title has not yet passed to the customer and for which revenue has not yet been recognized.
|  | December 31, |  |  | December 31, |
|  | 2018 |  |  | 2017 |
|  | (in thousands) |
Prepaid and other current assets |  |  |  |  |  |
Prepaid tax |  | $ | 3,468 |  |  | $ | 3,927 |
Advance to suppliers (1) |  |  | 982 |  |  |  | 6,542 |
Other receivable |  |  | 794 |  |  |  | 983 |
Prepaid others |  |  | 1,532 |  |  |  | 2,775 |
Total Prepaid and other current assets |  | $ | 6,776 |  |  | $ | 14,227 |
(1) | The $6.5 million advance to supplier as of December 31, 2017 was for obtaining a price discount.
|  | December 31, |  |  | December 31, |
|  | 2018 |  |  | 2017 |
|  | (in thousands) |
Property, plant and equipment, net: |  |  |  |  |  |
Leasehold improvements |  | $ | 1,893 |  |  | $ | 1,768 |
Automobiles |  |  | 323 |  |  |  | 1,885 |
Computer and Software |  |  | 4,878 |  |  |  | 6,028 |
Equipment and Furniture |  |  | 23,556 |  |  |  | 25,681 |
Total |  |  | 30,650 |  |  |  | 35,362 |
Less: accumulated depreciation |  |  | (29,392 | ) |  |  | (33,648 | )
Total Property, plant and equipment, net |  | $ | 1,258 |  |  | $ | 1,714 |
During the years ended December 31, 2018, 2017 and 2016, the Company wrote-off $3.3 million with accumulated depreciation of $3.3 million, $0.6 million with accumulated depreciation of $0.6 million, and $19.6 million with accumulated depreciation of $19.6 million of fully depreciated property, plant and equipment, respectively.
|  | December 31, |  |  | December 31, |
|  | 2018 |  |  | 2017 |
|  | (in thousands) |
Other current liabilities: |  |  |  |  |  |
Accrued contract costs(1) |  | $ | 353 |  |  | $ | 7,734 |
Accrued payroll and compensation |  |  | 5,224 |  |  |  | 7,040 |
Warranty costs |  |  | 91 |  |  |  | 51 |
Accrued professional fees |  |  | 602 |  |  |  | 897 |
Accrued other taxes |  |  | 1,087 |  |  |  | 3,133 |
Other |  |  | 3,154 |  |  |  | 4,891 |
Total other current liabilities |  | $ | 10,511 |  |  | $ | 23,746 |
(1) | Accrued contract costs include $7.3 million cost related to product and service sales contracts from India as of December 31, 2017.
|  | December 31, |  |  | December 31, |
|  | 2018 |  |  | 2017 |
|  | (in thousands) |
Other long-term liabilities |  |  |  |  |  |
Non-current income tax payable |  | $ | 1,327 |  |  | $ | 2,530 |
Other long-term liabilities |  |  | 1,170 |  |  |  | 1,123 |
Total other long-term liabilities |  | $ | 2,497 |  |  | $ | 3,653 |

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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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