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Derivative Instruments (Tables) | 12 Months Ended
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Dec. 31, 2016
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Schedule of Notional Amounts of Outstanding Derivative Positions | The Company had the following outstanding forward contracts (in thousands):
| December 31, 2016 |  | December 31, 2015
Currency | Notional Value |  | USD Equivalent |  |  | Notional Value |  | USD Equivalent |
Derivatives Designated as Hedging Instruments: |  |  |  |
United States Dollar | — |  | $ | — |  |  | 16,720 |  | $ | 16,720 |
Japanese Yen | 342,500 |  | 2,960 |  |  | 942,500 |  | 7,605 |
Hungarian Forint | 39,000 |  | 130 |  |  | 547,000 |  | 1,893 |
Singapore Dollar | 150 |  | 97 |  |  | 2,063 |  | 1,425 |
Canadian Dollar | — |  | — |  |  | 41 |  | 37 |
British Pound | — |  | — |  |  | 25 |  | 34 |
Derivatives Not Designated as Hedging Instruments:
Japanese Yen | 650,000 |  | $ | 5,554 |  |  | 700,000 |  | $ | 5,800 |
British Pound | 1,350 |  | 1,658 |  |  | 1,650 |  | 2,441 |
Korean Won | 1,750,000 |  | 1,450 |  |  | 1,400,000 |  | 1,187 |
Hungarian Forint | 425,000 |  | 1,448 |  |  | 250,000 |  | 857 |
Singapore Dollar | 1,350 |  | 929 |  |  | 1,525 |  | 1,074 |
Taiwanese Dollar | 26,000 |  | 802 |  |  | 26,425 |  | 800 |
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value | Information regarding the fair value of the outstanding forward contracts was as follows (in thousands):
| Asset Derivatives |  | Liability Derivatives
| Balance Sheet Location |  | Fair Value |  | Balance Sheet Location |  | Fair Value
|  | December 31, 2016 |  | December 31, 2015 |  |  | December 31, 2016 |  | December 31, 2015
Derivatives Designated as Hedging Instruments:
Cash flow hedge forward contracts | Prepaid expenses and other current assets |  | $ | 43 |  |  | $ | 441 |  |  | Accrued expenses |  | $ | — |  |  | $ | 201 |
Derivatives Not Designated as Hedging Instruments:
Economic hedge forward contracts | Prepaid expenses and other current assets |  | $ | 1 |  |  | $ | 9 |  |  | Accrued expenses |  | $ | 11 |  |  | $ | 43 |
Offsetting Assets | The following table summarizes the gross activity for all derivative assets and liabilities which were presented on a net basis on the Consolidated Balance Sheets due to the right of offset with each counterparty (in thousands):
Asset Derivatives |  | Liability Derivatives
|  | December 31, 2016 |  | December 31, 2015 |  |  |  | December 31, 2016 |  | December 31, 2015
Gross amounts of recognized assets |  | $ | 117 |  |  | $ | 479 |  |  | Gross amounts of recognized liabilities |  | $ | 11 |  |  | $ | 279 |
Gross amounts offset |  | (73 | ) |  | (29 | ) |  | Gross amounts offset |  | — |  |  | (35 | )
Net amount of assets presented |  | $ | 44 |  |  | $ | 450 |  |  | Net amount of liabilities presented |  | $ | 11 |  |  | $ | 244 |
Derivative Instruments, Gain (Loss) | Information regarding the effect of derivative instruments, net of the underlying exposure, on the consolidated financial statements was as follows (in thousands):
| Location in Financial Statements |  | Year Ended December 31,
2016 |  | 2015 |  | 2014
Derivatives Designated as Hedging Instruments:
Gains (losses) recorded in shareholders' equity (effective portion) | Accumulated other comprehensive income (loss), net of tax |  | $ | 37 |  |  | $ | 206 |  |  | $ | 32 |
Gains (losses) reclassified from accumulated other comprehensive income (loss) into current operations (effective portion) | Revenue |  | $ | (438 | ) |  | $ | (387 | ) |  | $ | (14 | )
| Research, development, and engineering expenses |  | 13 |  |  | 14 |  |  | (42 | )
| Selling, general, and administrative expenses |  | 27 |  |  | 172 |  |  | 10 |
| Total gains (losses) reclassified from accumulated other comprehensive income (loss) into current operations |  | $ | (398 | ) |  | $ | (201 | ) |  | $ | (46 | )
Gains (losses) recognized in current operations (ineffective portion and discontinued derivatives) | Foreign currency gain (loss) |  | $ | — |  |  | $ | — |  |  | $ | — |
Derivatives Not Designated as Hedging Instruments:
Gains (losses) recognized in current operations | Foreign currency gain (loss) |  | $ | (515 | ) |  | $ | (13 | ) |  | $ | 247 |
Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) | The following table summarizes the changes in accumulated other comprehensive income (loss), net of tax, related to derivative instruments (in thousands):
Balance as of December 31, 2014 | $ | 32 |
Net unrealized loss on cash flow hedges | (27 | )
Reclassification of net realized loss on cash flow hedges into current operations | 201 |
Balance as of December 31, 2015 | 206 |
Net unrealized loss on cash flow hedges | (567 | )
Reclassification of net realized loss on cash flow hedges into current operations | 398 |
Balance as of December 31, 2016 | $ | 37 |

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