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Balance Sheet Details (Tables) | 12 Months Ended
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Dec. 31, 2017
Balance Sheet Related Disclosures [Abstract] |
Inventory Disclosure [Text Block] | Inventories consist of the following:
| As of December 31,
| 2017 |  | 2016
| (In thousands)
Raw materials | $ | 2,976 |  |  | $ | 3,773 |
Work in process | 1,109 |  |  | 616 |
Finished goods | 1,074 |  |  | 1,244 |
| $ | 5,159 |  |  | $ | 5,633 |
Components of property, plant and equipment, net | Property, plant and equipment, net is comprised of the following:
| As of December 31,
| 2017 |  | 2016
| (In thousands)
Building | $ | 40,320 |  |  | $ | 40,320 |
Computer software | 18,424 |  |  | 20,922 |
Computer equipment | 36,607 |  |  | 36,608 |
Furniture and fixtures | 16,881 |  |  | 15,140 |
Leasehold improvements | 10,110 |  |  | 7,176 |
Machinery | 16,936 |  |  | 17,406 |
Construction in progress | 1,831 |  |  | 1,075 |
| 141,109 |  |  | 138,647 |
Less accumulated depreciation and amortization | (86,806 | ) |  | (80,205 | )
| $ | 54,303 |  |  | $ | 58,442 |
Schedule of accumulated other comprehensive Income (Loss) | Accumulated other comprehensive gain (loss) is comprised of the following:
| As of December 31,
| 2017 |  | 2016
| (In thousands)
Foreign currency translation adjustments | $ | (5,593 | ) |  | $ | (13,392 | )
Unrealized gain (loss) on available-for-sale securities, net of tax | 496 |  |  | (116 | )
Total | $ | (5,097 | ) |  | $ | (13,508 | )

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- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -URI http://asc.fasb.org/topic&trid=2126998 + Details
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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669686-108580 + Details
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