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Stockholder's Equity (Tables) | 3 Months Ended
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Mar. 31, 2019
Share-based Compensation [Abstract] |
Schedule of Share-based Compensation, Activity | The following table presents stock-based compensation expense, including under the ESPP, in the Company's consolidated statements of operations for the three months ended March 31, 2019 and 2018:
| Three Months Ended March 31,
| 2019 |  | 2018
Cost of product sales | $ | 41 |  |  | $ | 71 |
Cost of service sales | — |  |  | — |
Research and development | 172 |  |  | 170 |
Sales, marketing and support | 182 |  |  | 181 |
General and administrative | 479 |  |  | 431 |
| $ | 874 |  |  | $ | 853 |
Schedule of Accumulated Other Comprehensive Income (Loss) | The components of the Company’s comprehensive income (loss) and the effect on earnings for the periods presented are detailed in the accompanying consolidated statements of comprehensive income (loss).
| Foreign Currency Translation |  | Unrealized (Loss) Gain on Available for Sale Marketable Securities |  | Interest Rate Swaps |  | Total Accumulated Other Comprehensive Loss
Balance, December 31, 2018 | $ | (14,720 | ) |  | $ | — |  |  | $ | (11 | ) |  | $ | (14,731 | )
Other comprehensive income before reclassifications | 1,080 |  |  | — |  |  | — |  |  | 1,080 |
Amounts reclassified from AOCI to Other income, net | — |  |  | — |  |  | 8 |  |  | 8 |
Net other comprehensive income, March 31, 2019 | 1,080 |  |  | — |  |  | 8 |  |  | 1,088 |
Balance, March 31, 2019 | $ | (13,640 | ) |  | $ | — |  |  | $ | (3 | ) |  | $ | (13,643 | )
| Foreign Currency Translation |  | Unrealized (Loss) Gain on Available for Sale Marketable Securities |  | Interest Rate Swaps |  | Total Accumulated Other Comprehensive Loss
Balance, December 31, 2017 | $ | (11,247 | ) |  | $ | (1 | ) |  | $ | (69 | ) |  | $ | (11,317 | )
Other comprehensive income before reclassifications | 2,444 |  |  | 1 |  |  | 7 |  |  | 2,452 |
Amounts reclassified from AOCI to Other income, net | — |  |  | — |  |  | 15 |  |  | 15 |
Net other comprehensive income, March 31, 2018 | 2,444 |  |  | 1 |  |  | 22 |  |  | 2,467 |
Balance, March 31, 2018 | $ | (8,803 | ) |  | $ | — |  |  | $ | (47 | ) |  | $ | (8,850 | )
For additional information, see Note 4, "Marketable Securities," and Note 17, "Derivative Instruments and Hedging Activities."

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