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Stock-Based Compensation (Tables) | 3 Months Ended
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Mar. 31, 2017
Share-based Compensation [Abstract] |
Schedule of share-based payment award, stock options, valuation assumptions | The weighted average assumptions utilized to determine the fair value of options granted during the three months ended March 31, 2017 were as follows:
| Three Months Ended March 31,
| 2017 |  | 2016
Risk-free interest rate | 1.96 | % |  | 1.43 | %
Expected volatility | 35.53 | % |  | 38.22 | %
Expected life (in years) | 4.22 |  |  | 4.17 |
Dividend yield | 0 | % |  | 0 | %
Schedule of Share-based Compensation, Activity | The following presents stock-based compensation expense including ESPP in the Company's consolidated statements of operations for the three months ended March 31, 2017 and 2016:
| Three Months Ended March 31,
| 2017 |  | 2016
Cost of product sales | $ | 82 |  |  | $ | 90 |
Cost of service sales | — |  |  | 1 |
Research and development | 189 |  |  | 186 |
Sales, marketing and support | 268 |  |  | 273 |
General and administrative | 421 |  |  | 503 |
| $ | 960 |  |  | $ | 1,053 |
Schedule of Accumulated Other Comprehensive Income (Loss) |
| Foreign Currency Translation |  | Unrealized Gain (Loss) on Available for Sale Marketable Securities |  | Interest Rate Swaps |  | Total Accumulated Other Comprehensive Loss
Balance, December 31, 2016 | (16,651 | ) |  | — |  |  | (158 | ) |  | (16,809 | )
Other comprehensive (loss) income before reclassifications | 601 |  |  | — |  |  | 5 |  |  | 606 |
Amounts reclassified from AOCI to Other income (expense), net (1) | — |  |  | — |  |  | 22 |  |  | 22 |
Net other comprehensive (loss) income, March 31, 2017 | 601 |  |  | — |  |  | 27 |  |  | 628 |
Balance, March 31, 2017 | (16,050 | ) |  | — |  |  | (131 | ) |  | (16,181 | )
| Foreign Currency Translation |  | Unrealized Gain (Loss) on Available for Sale Marketable Securities |  | Interest Rate Swaps |  | Total Accumulated Other Comprehensive Loss
Balance, December 31, 2015 | $ | (7,363 | ) |  | $ | 1 |  |  | $ | (238 | ) |  | $ | (7,600 | )
Other comprehensive (loss) income before reclassifications | (676 | ) |  | — |  |  | (45 | ) |  | (721 | )
Amounts reclassified from AOCI to Other income (expense), net (1) | — |  |  | — |  |  | 25 |  |  | 25 |
Net other comprehensive (loss) income, March 31, 2016 | (676 | ) |  | — |  |  | (20 | ) |  | (696 | )
Balance, March 31, 2016 | (8,039 | ) |  | 1 |  |  | (258 | ) |  | (8,296 | )
(1) For additional information, see Note 4, "Marketable Securities," and see Note 17, "Derivative Instruments and Hedging Activities."

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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=66004124&loc=SL7669686-108580 + Details
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- Definition Tabular disclosure of share-based compensation plans that may be presented in a single table for outstanding, vested and expected to vest, and exercisable awards. The information that may be disclosed in this table may include, but is not limited to, number of shares, weighted average exercise price, weighted average remaining contractual life, and aggregate intrinsic value. + References No definition available. + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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