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Stockholder's Equity (Tables) | 9 Months Ended
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Sep. 30, 2020
Share-based Payment Arrangement, Noncash Expense [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 nine months ended September 30, 2020 and 2019 are as follows:
| Nine Months Ended September 30,
| 2020 |  | 2019
Risk-free interest rate | 0.21 | % |  | 1.91 | %
Expected volatility | 44.03 | % |  | 36.94 | %
Expected life (in years) | 4.29 |  | 4.27
Dividend yield | 0 | % |  | 0 | %
Schedule of share-based compensation, employee stock purchase plan | The following table presents stock-based compensation expense, including under the ESPP, in the Company's consolidated statements of operations for the three and nine months ended September 30, 2020 and 2019:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2020 |  | 2019 |  | 2020 |  | 2019
Cost of product sales | $ | 41 |  |  | $ | 69 |  |  | $ | 115 |  |  | $ | 171 |
Research and development | 118 |  |  | 221 |  |  | 408 |  |  | 589 |
Sales, marketing and support | 163 |  |  | 226 |  |  | 456 |  |  | 620 |
General and administrative | 590 |  |  | 596 |  |  | 1,480 |  |  | 1,639 |
| $ | 912 |  |  | $ | 1,112 |  |  | $ | 2,459 |  |  | $ | 3,019 |
Schedule of accumulated other comprehensive income (loss) | The balances for the three months ended September 30, 2020 and 2019 are as follows:
| Foreign Currency Translation |  | Unrealized Loss on Available for Sale Marketable Securities |  |  | Total Accumulated Other Comprehensive Loss
Balance, June 30, 2020 | $ | (5,377) |  |  | $ | — |  |  |  | $ | (5,377) |
Other comprehensive income (loss) | 1,103 |  |  | (1) |  |  |  | 1,102 |
Net other comprehensive income (loss) | 1,103 |  |  | (1) |  |  |  | 1,102 |
Balance, September 30, 2020 | $ | (4,274) |  |  | $ | (1) |  |  |  | $ | (4,275) |
| Foreign Currency Translation |  |  |  | Total Accumulated Other Comprehensive Loss
Balance, June 30, 2019 | $ | (3,489) |  |  |  |  | $ | (3,489) |
Other comprehensive loss | (1,109) |  |  |  |  | (1,109) |
Net other comprehensive loss | (1,109) |  |  |  |  | (1,109) |
Balance, September 30, 2019 | $ | (4,598) |  |  |  |  | $ | (4,598) |
The balances for the nine months ended September 30, 2020 and 2019 are as follows:
| Foreign Currency Translation |  | Unrealized Loss on Available for Sale Marketable Securities |  | Total Accumulated Other Comprehensive Loss
Balance, December 31, 2019 | $ | (2,767) |  |  | $ | — |  |  | $ | (2,767) |
Other comprehensive loss | (1,507) |  |  | (1) |  |  | (1,508) |
Net other comprehensive loss | (1,507) |  |  | (1) |  |  | (1,508) |
Balance, September 30, 2020 | $ | (4,274) |  |  | $ | (1) |  |  | $ | (4,275) |
| Foreign Currency Translation |  | Interest Rate Swaps |  | Total Accumulated Other Comprehensive Loss
Balance, December 31, 2018 | $ | (14,720) |  |  | $ | (11) |  |  | $ | (14,731) |
Other comprehensive (loss) income before reclassifications | (1,361) |  |  | 3 |  |  | (1,358) |
Amounts reclassified from AOCI | 11,483 |  |  | 8 |  |  | 11,491 |
Net other comprehensive income | 10,122 |  |  | 11 |  |  | 10,133 |
Balance, September 30, 2019 | $ | (4,598) |  |  | $ | — |  |  | $ | (4,598) |

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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