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Stockholder's Equity (Tables) | 9 Months Ended
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Sep. 30, 2021
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, 2021 and 2020 are as follows:
| Nine Months Ended September 30,
| 2021 |  | 2020
Risk-free interest rate | 0.92 | % |  | 0.21 | %
Expected volatility | 44.98 | % |  | 44.03 | %
Expected life (in years) | 4.28 |  | 4.29
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, 2021 and 2020:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
Cost of product sales | $ | 78 |  |  | $ | 41 |  |  | $ | 194 |  |  | $ | 115 |
Cost of service sales | 3 |  |  | — |  |  | 8 |  |  | — |
Research and development | 150 |  |  | 118 |  |  | 491 |  |  | 408 |
Sales, marketing and support | 239 |  |  | 163 |  |  | 664 |  |  | 456 |
General and administrative | 572 |  |  | 590 |  |  | 1,672 |  |  | 1,480 |
| $ | 1,042 |  |  | $ | 912 |  |  | $ | 3,029 |  |  | $ | 2,459 |
Schedule of accumulated other comprehensive income (loss) | The balances for the three months ended September 30, 2021 and 2020 are as follows:
| Foreign Currency Translation |  | Total Accumulated Other Comprehensive Loss
Balance, June 30, 2021 | $ | (2,968) |  |  | $ | (2,968) |
Other comprehensive loss | (370) |  |  | (370) |
Net other comprehensive loss | (370) |  |  | (370) |
Balance, September 30, 2021 | $ | (3,338) |  |  | $ | (3,338) |
| 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) |
The balances for the nine months ended September 30, 2021 and 2020 are as follows:
| Foreign Currency Translation |  |  |  | Total Accumulated Other Comprehensive Loss
Balance, December 31, 2020 | $ | (3,232) |  |  |  |  | $ | (3,232) |
Other comprehensive loss | (106) |  |  |  |  | (106) |
Net other comprehensive loss | (106) |  |  |  |  | (106) |
Balance, September 30, 2021 | $ | (3,338) |  |  |  |  | $ | (3,338) |
| 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) |

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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=120381028&loc=d3e5070-113901 + Details
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